We aimed to understand how N-acetyl glucosamine (GlcNAc), a compound known for its anti-inflammatory properties, affects the development and severity of collagen-induced arthritis (CIA). Our investigation involved applying a special multivalent GlcNAc-terminated glycoconjugate and assessing its influence through various methodologies.
The results were promising. We observed that GlcNAc treatment significantly reduced inflammation at the site of arthritis, notably decreasing the presence of immune cells that contribute to the disease. Furthermore, it appeared to hinder the activation of other immune cells, which are often involved in the production of harmful pro-inflammatory molecules.
Additionally, GlcNAc treatment not only delayed the onset of arthritis symptoms but also eased the severity of these symptoms in many cases. We found that about 18% to 31% of participants treated with GlcNAc completely avoided any arthritis symptoms. Overall, our findings support a new approach to managing arthritis by focusing on the glycobiological aspects of treatment, presenting GlcNAc as a potential therapeutic option for those suffering from this debilitating condition.
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9
Potential OA treatment advancements
Novel phosphoramidate prodrugs of N-acetyl-(D)-glucosamine with antidegenerative activity on bovine and human cartilage explants.
We explored the potential of N-acetyl-(D)-glucosamine, a compound often used as a dietary supplement for osteoarthritis (OA), to provide effective relief from this chronic joint condition. Our research focused on a series of newly developed prodrugs, specifically targeting ways to enhance the compound's absorption and effectiveness within the body.
We found that some modified versions of N-acetyl-(D)-glucosamine, known as O-3 and O-4 phosphate prodrugs, demonstrated significant chondroprotective effects in vitro. In simple terms, this means they helped protect and support cartilage health, which is vital for those suffering from OA. Notably, the prodrugs that included a specific amino acid called (L)-proline were particularly effective, even outperforming earlier versions.
Overall, our findings suggest that these novel compounds hold promise as new leads in the search for more effective treatments for osteoarthritis. They signify a positive step toward improving the management of this painful and degenerative joint disease.
Read More
8
N-acetylglucosamine derivatives show promise
Novel biologically active series of N-acetylglucosamine derivatives for the suppressive activities on GAG release.
We focused our research on the potential of N-acetylglucosamine, a modified form of glucosamine, to impact osteoarthritis, a common degenerative joint disease. Our investigations revealed that N-acetylglucosamine could enhance the oral bioavailability of glucosamine and is reported to have better in vitro chondroprotective effects compared to its parent compound.
To delve deeper into this, we examined N-acetylglucosamine derivatives modified specifically at the N position, using different chemical groups such as benzenesulfonyl and isoxazole. Among the many compounds we tested, we found that the derivatives with 3-(2-chlorobenzene)-5-methyl-isoxazole formyl chloride and p-methoxybenzenesulfonyl chloride were particularly effective at promoting chondrocyte health in our laboratory studies.
Our findings suggest that these newly developed compounds may hold promise as future treatments for osteoarthritis by enhancing joint health and potentially improving the quality of life for those affected by this condition.
Read More
Most Useful Reviews
9
Immediate results
100 people found this helpful
Noticed a difference the very next day! After experiencing severe pain, I was informed I have onset arthritis. I researched natural supplements and found this product. I took three capsules upon arrival and the next day, my pain reduced significantly from an 8 to a 2, with improved mobility. I am optimistic about further improvements.
Read More
9
Happy dog again
16 people found this helpful
I use this for my two-year-old Doberman who has arthritis. He no longer limps and is back to hiking the trails with us, outpacing us! I give him three pills a day—two in the morning and one in the evening, simply opening the capsule and pouring it over his dog food. He loves it and even drools while I prepare his meal. He weighs 65 pounds for reference.
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9
Improved mobility
9 people found this helpful
My knees were suffering from arthritis for a long time. After ordering these tablets, I can now confidently say they work wonderfully! I can now walk up the stairs without difficulty.
We aimed to understand how N-acetyl glucosamine (GlcNAc), a compound known for its anti-inflammatory properties, affects the development and severity of collagen-induced arthritis (CIA). Our investigation involved applying a special multivalent GlcNAc-terminated glycoconjugate and assessing its influence through various methodologies.
The results were promising. We observed that GlcNAc treatment significantly reduced inflammation at the site of arthritis, notably decreasing the presence of immune cells that contribute to the disease. Furthermore, it appeared to hinder the activation of other immune cells, which are often involved in the production of harmful pro-inflammatory molecules.
Additionally, GlcNAc treatment not only delayed the onset of arthritis symptoms but also eased the severity of these symptoms in many cases. We found that about 18% to 31% of participants treated with GlcNAc completely avoided any arthritis symptoms. Overall, our findings support a new approach to managing arthritis by focusing on the glycobiological aspects of treatment, presenting GlcNAc as a potential therapeutic option for those suffering from this debilitating condition.
Read More
9
N-acetylglucosamine shows promise
Partially acetylated chitooligosaccharides bind to YKL-40 and stimulate growth of human osteoarthritic chondrocytes.
We investigated how partially acetylated chitooligosaccharides, specifically the oligomers of N-acetylglucosamine, might influence the growth of chondrocytes—the cells crucial for cartilage health—in people with osteoarthritis. The study focused on the binding of these sugars to YKL-40, a protein that is often associated with inflammation in joints.
Through careful processing of chitin, we derived two forms of chitooligosaccharides: Oligomin™ and T-ChOS™. Our results unveiled that larger versions of these oligosaccharides showed a strong attraction to YKL-40. More significantly, when we exposed osteoarthritic chondrocytes to these compounds, we noted a noteworthy increase in cell growth—up to three times more under certain conditions.
Interestingly, Oligomin™ required a higher concentration compared to T-ChOS™, which demonstrated that smaller oligosaccharides could be effective at lower doses. However, more isn't always better; excessively high concentrations led to reduced benefits. When we introduced chitotriose, a smaller oligosaccharide, it hampered the positive effects seen with the larger forms, suggesting a complex interplay in oligosaccharide behavior in relation to cellular responses.
Overall, these findings indicate a promising new direction in treating joint inflammation and give us hope for developing new therapies aimed at alleviating the discomfort of arthritis.
Read More
9
Potential OA treatment advancements
Novel phosphoramidate prodrugs of N-acetyl-(D)-glucosamine with antidegenerative activity on bovine and human cartilage explants.
We explored the potential of N-acetyl-(D)-glucosamine, a compound often used as a dietary supplement for osteoarthritis (OA), to provide effective relief from this chronic joint condition. Our research focused on a series of newly developed prodrugs, specifically targeting ways to enhance the compound's absorption and effectiveness within the body.
We found that some modified versions of N-acetyl-(D)-glucosamine, known as O-3 and O-4 phosphate prodrugs, demonstrated significant chondroprotective effects in vitro. In simple terms, this means they helped protect and support cartilage health, which is vital for those suffering from OA. Notably, the prodrugs that included a specific amino acid called (L)-proline were particularly effective, even outperforming earlier versions.
Overall, our findings suggest that these novel compounds hold promise as new leads in the search for more effective treatments for osteoarthritis. They signify a positive step toward improving the management of this painful and degenerative joint disease.
Read More
9
MSM and mobilee support cartilage health
Methylsulfonylmethane and mobilee prevent negative effect of IL-1β in human chondrocyte cultures via NF-κB signaling pathway.
We investigated how methylsulfonylmethane (MSM) and a herbal extract called mobilee influence arthritis in human chondrocytes, the cells found in cartilage. By exposing these cells to interleukin (IL)-1β—a protein that can cause joint inflammation—we aimed to understand if these treatments could mitigate the damage commonly associated with osteoarthritis (OA).
We took chondrocytes from the femoral heads of patients undergoing hip replacement surgery and treated them with varying amounts of MSM and mobilee in the presence of IL-1β. Our tests measured cell survival and apoptosis—basically whether the cells lived or died—and assessed the levels of key proteins linked to cartilage breakdown and health.
Our results were encouraging. Both MSM and mobilee appeared to significantly reverse the negative effects brought on by IL-1β. Additionally, they managed to combat the activation of NF-κB, a pathway often implicated in inflammation and cell death. By reducing the levels of harmful enzymes and increasing beneficial proteins, these treatments seem to offer a potential new approach to improving joint health in arthritis patients.
In conclusion, this study suggests that MSM and mobilee could play a beneficial role in protecting cartilage cells from the inflammatory damage caused by IL-1β, providing a strong rationale for their consideration in arthritis treatment.
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9
MSM improves knee OA treatment
Comparison of Glucosamine-Chondroitin Sulfate with and without Methylsulfonylmethane in Grade I-II Knee Osteoarthritis: A Double Blind Randomized Controlled Trial.
We conducted a thoughtful investigation into how Methylsulfonylmethane (MSM) impacts the treatment of knee osteoarthritis (OA) when paired with glucosamine and chondroitin sulfate. In our study, 147 patients diagnosed with Kellgren-Lawrence grade I-II knee OA were randomly divided into three groups. One group received a combination of glucosamine and chondroitin sulfate, the second group received the same combination with MSM, and the third group was given a placebo.
The patients took their assigned capsules daily for three months, and we measured their pain and mobility before treatment and then at 4, 8, and 12 weeks after starting the regimen. The results revealed that the combination of glucosamine, chondroitin sulfate, and MSM offered noticeable clinical benefits for patients with knee OA. However, those taking only glucosamine and chondroitin sulfate experienced no significant improvement compared to the placebo group.
Our findings highlight the potential advantage of supplementing glucosamine and chondroitin with MSM for managing knee osteoarthritis. Nonetheless, the lack of improvement with glucosamine and chondroitin alone calls into question their effectiveness independently of MSM.
Noticed a difference the very next day! After experiencing severe pain, I was informed I have onset arthritis. I researched natural supplements and found this product. I took three capsules upon arrival and the next day, my pain reduced significantly from an 8 to a 2, with improved mobility. I am optimistic about further improvements.
Read More
9
Happy dog again
16 people found this helpful
I use this for my two-year-old Doberman who has arthritis. He no longer limps and is back to hiking the trails with us, outpacing us! I give him three pills a day—two in the morning and one in the evening, simply opening the capsule and pouring it over his dog food. He loves it and even drools while I prepare his meal. He weighs 65 pounds for reference.
Read More
9
Improved mobility
9 people found this helpful
My knees were suffering from arthritis for a long time. After ordering these tablets, I can now confidently say they work wonderfully! I can now walk up the stairs without difficulty.
Read More
10
Reduced knee pain
7 people found this helpful
This product helped my mother with her knee pain. It supports cartilage regeneration and reduces inflammation. After just a month, her pain has significantly decreased.
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9
No more complaints
6 people found this helpful
I have been giving this product to my 91-year-old father for a year. He takes two a day and no longer complains about arthritis pain in his hands or hips.
Arthritis is a general term that refers to inflammation of the joints, which can lead to pain, stiffness, and swelling. It encompasses over 100 different types, with osteoarthritis and rheumatoid arthritis being the most common. Osteoarthritis, often associated with aging, occurs when the cartilage that cushions the joints wears down over time. In contrast, rheumatoid arthritis is an autoimmune disorder where the body's immune system mistakenly attacks the joints, leading to chronic inflammation and potential disability if left untreated.
Symptoms of arthritis can vary widely depending on the type but typically include joint pain, swelling, reduced range of motion, and sometimes fatigue. Diagnosis usually involves a combination of physical exams, imaging tests, and blood tests. While there is currently no cure for arthritis, various treatments ranging from lifestyle modifications, physical therapy, and medications can help manage symptoms and improve quality of life. For those affected, seeking early diagnosis and intervention is crucial for slowing disease progression and preserving joint function.
Glucosamine Chondroitin formulas are dietary supplements commonly used to support joint health and alleviate symptoms associated with osteoarthritis. These formulas typically contain glucosamine, a naturally occurring compound in the body that contributes to the formation and repair of cartilage, and chondroitin sulfate, which helps cartilage retain water and maintain its elasticity. Together, these ingredients are believed to promote joint function, reduce pain, and improve overall mobility, particularly in individuals who experience wear and tear on their joints due to age, physical activity, or injury.
The efficacy of glucosamine and chondroitin supplements can vary from person to person, and while some users report significant relief from joint discomfort, scientific studies on their effectiveness have produced mixed results. It's essential to consult with a healthcare provider before adding these supplements to your routine, especially if you have existing health conditions or are taking other medications. Many brands also blend these ingredients with additional vitamins, minerals, or herbal extracts to enhance their joint-supporting benefits, making it crucial to read labels and choose formulas that fit your specific needs.
Glucosamine and chondroitin formulas have long been popular supplements for managing arthritis symptoms, particularly osteoarthritis. Research has shown mixed results regarding their effectiveness. Some studies suggest that these compounds may help reduce pain and improve joint function in individuals with osteoarthritis, while others indicate that any benefits may be minimal or not significantly different from a placebo. Both glucosamine and chondroitin are natural substances found in joint cartilage, and they are thought to contribute to joint lubrication as well as its structural integrity.
If you’re considering glucosamine chondroitin supplements, it’s essential to consult with your healthcare provider first, especially if you are on other medications or have underlying health conditions. While these supplements are generally considered safe for many individuals, they may not be suitable for everyone. Additionally, the quality and concentration of glucosamine chondroitin products can vary greatly across brands, so it's advisable to choose reputable brands that undergo third-party testing for quality and potency. Keep in mind that managing arthritis often requires a multifaceted approach, including physical therapy, exercise, and possibly other medications or treatments recommended by a healthcare professional.
Based on user reviews, the time it takes to see results from this arthritis supplement can vary. Some users report experiencing noticeable improvements in as little as a few days. For example, one user mentioned that their father's improvement was evident just after a few days of use Read Review. Others suggest that more substantial results may take longer, with many users noting positive changes after one month of consistent use Read Review.
However, it’s important to note that some users emphasize the cumulative nature of these supplements, indicating that for more significant or lasting relief, a longer timeframe—such as six months—is recommended Read Review. Many users who have taken the supplement for six months or more have reported substantial decreases in pain and improved mobility Read Review. Therefore, while some may feel improvements quickly, others should be prepared for a longer commitment to see full benefits.
Based on extensive scientific research, glucosamine, particularly in the form of glucosamine sulfate, shows potential as a supportive treatment for arthritis, specifically knee osteoarthritis (OA). A clinical trial demonstrated that participants who combined glucosamine sulfate with supervised exercise reported significant improvements in pain and mobility compared to those receiving a placebo ([1]). Additionally, higher doses of glucosamine have been observed to enhance its benefits for inflammatory conditions, suggesting that dosage may play a critical role in its efficacy in managing arthritis symptoms ([3]).
Research also highlights the effectiveness of glucosamine in combination with other compounds. For instance, trials involving glucosamine in conjunction with chondroitin sulfate have shown positive results in alleviating knee pain and improving overall function ([35]; [1]). However, while glucosamine sulfate is beneficial, it is often most effective as part of a broader treatment plan that includes lifestyle modifications and physical activity ([41]). Therefore, while scientific evidence supports the use of glucosamine in arthritis management, the most effective results are achieved when it is integrated with other therapies and lifestyle improvements.
Based on user reviews, many individuals have reported significant improvements in their arthritis symptoms after using this supplement. Users have mentioned that within just a few days, they noticed their pain diminishing, enabling them to engage in activities they previously struggled with, such as walking up stairs or playing sports Read ReviewRead Review. More long-term users, particularly those who have been taking the supplement for several months, have indicated notable relief from pain and increased mobility, with several claiming their arthritis symptoms are now almost unnoticeable Read ReviewRead Review.
In numerous cases, users have credited the supplement not only with improving pain levels but also as a means of promoting cartilage health and reducing inflammation over time. For instance, one user highlighted the supplement's role in allowing their elderly father to regain mobility and abandon complaints related to joint pain after consistent use throughout the year Read Review. However, it is essential to recognize that results can vary widely among individuals; what works wonders for one person may not yield the same outcome for another, underscoring the importance of patience and consistency when using such supplements Read Review.
According to user reviews, many individuals have had success combining this supplement with other products to manage their arthritis symptoms. For example, one user reported achieving significant relief from arthritis pain after pairing the supplement with Now Foods hyaluronic acid, leading to nearly unnoticeable symptoms after consistent use for at least six months Read Review. Another user noted improvements in their mother’s rheumatoid arthritis symptoms when supplementing with chondroitin along with vitamin D3 and calcium citrate, which helped reduce joint pain and regain mobility Read Review.
Additionally, a review highlighted the efficacy of glucosamine and chondroitin in maintaining joint health, especially for those who are physically active, making it an attractive option for both arthritic individuals and athletes alike Read Review. Users reiterated the importance of consistency in their supplement routine; one mention emphasized that while results can be observed in the short term, the full benefits, including cartilage restoration and reduced inflammation, often require prolonged use Read Review. Overall, reviews suggest that combining this supplement with others can enhance its joint health benefits and improve the management of arthritis-related discomfort.
Based on user reviews, the right dosage of Glucosamine Chondroitin formulas for treating arthritis seems to be a crucial factor in achieving significant pain relief and improved mobility. Many users report taking a consistent dose over a period of time, often noting that it can take several weeks to feel the full effects. For example, one user mentioned giving their 91-year-old father two capsules a day, which resulted in no complaints about arthritis pain in his hands or hips after a year of use Read Review. Others highlight that maintaining a routine is important, with suggestions to use the supplement for at least six months for optimal results Read Review.
Furthermore, users emphasize the cumulative benefits of the supplement, indicating that immediate relief shouldn't be expected, and patience is key. One reviewer noted that while they appreciate the product’s quality, they wouldn't anticipate miraculous outcomes, reiterating that consistent use is necessary for maximum efficacy Read Review. Collectively, these insights suggest the importance of adhering to a personalized dosage plan and maintaining regular consumption to effectively manage arthritis symptoms.
7.5
Joint pain relief
4 people found this helpful
I bought this for my father, who suffers from arthritis and foot pain. After just a few days of taking it, he felt improvement and could trust its safety.
10
Reduced knee pain
7 people found this helpful
This product helped my mother with her knee pain. It supports cartilage regeneration and reduces inflammation. After just a month, her pain has significantly decreased.
9
Pain reduction
3 people found this helpful
It works! I combine it with Now Foods hyaluronic acid, and my arthritis has become almost unnoticed. I can now sit and stand without pain, but consistency is key; I recommend at least six months.
7.5
Stiffness relief
2 people found this helpful
I’ve been taking this supplement for over six months for my arthritis, and it’s definitely helped with pain and stiffness.
7.5
Less discomfort
6 people found this helpful
I've been dealing with polyosteoarthritis and arthritis. After starting this product, I've noticed a difference in my symptoms. The crunching in my joints has decreased, and it’s much easier to descend stairs.
9
No more complaints
6 people found this helpful
I have been giving this product to my 91-year-old father for a year. He takes two a day and no longer complains about arthritis pain in his hands or hips.
6
Cumulative effect noted
33 people found this helpful
These supplements have a cumulative effect, so instant results shouldn't be expected. I take chondroitin and glucosamine for my arthritis as prescribed. While I appreciate the ingredients and price, I don't expect miracles. I found another similarly composed product that offers better value.
9
Reduced joint pain
My mother has rheumatoid arthritis and gout. After taking chondroitin along with vitamin D3 and calcium citrate, the pain in her joints decreased considerably. She regained her mobility. I will certainly reorder as soon as it becomes available.
7.5
Supports joint health
This product maintains joint health, particularly during physical activity. It reduces inflammation and promotes cartilage restoration, making it an excellent choice for athletes and those with arthritis.
8
Glucosamine and exercise enhance arthritis treatment
Nutrition supplementation combined with exercise versus exercise alone in treating knee osteoarthritis: a double-blinded, randomised, placebo-controlled trial.
We sought to determine whether a combination of a nutrition supplement, including glucosamine and chondroitin, along with supervised exercise, is more effective for knee osteoarthritis than exercise alone.
In a six-month double-blinded trial involving 65 participants, those who took the supplement experienced significant improvements in pain and stiffness earlier compared to those receiving a placebo.
This suggests that using glucosamine chondroitin supplementation along with exercise could be a more efficient treatment strategy for arthritis in the knee.
4
Glucosamine's dosage effects on arthritis
Glucosamine for the Treatment of Osteoarthritis: The Time Has Come for Higher-Dose Trials.
We explored how n-acetylglucosamine, a compound closely related to glucosamine, affects arthritis. Despite the mixed results in clinical trials concerning glucosamine, studies in rodent models show its potential to prevent joint destruction and reduce inflammation.
Our findings indicate that the effectiveness of glucosamine is significantly influenced by dosage. In particular, higher doses in animal studies appear to enhance its benefits on inflammatory conditions. Interestingly, the minimum effective dose of glucosamine we observed in studies achieves plasma levels similar to those produced when taking standard daily doses.
We noted that every clinical trial so far has utilized the same dose of 1.5 grams, a figure recommended decades ago. However, there has been no solid evidence supporting that this dose is the most effective. With varying patient populations and study designs, it's easy to see why some trials have reported null results.
We believe it is essential to investigate higher dosages and their effects on osteoarthritis rigorously. By doing so, we can provide clearer insights into the potential benefits of n-acetylglucosamine for individuals suffering from this debilitating condition.
7
Glucosamine sulfate effective for KOA
Evaluation of efficacy and safety of glucosamine sulfate, chondroitin sulfate, and their combination regimen in the management of knee osteoarthritis: a systematic review and meta-analysis.
We investigated the effectiveness and safety of glucosamine sulfate in managing knee osteoarthritis, commonly referred to as KOA. This systematic review collected data from various studies published between 1994 and 2022, evaluating how glucosamine sulfate, chondroitin sulfate, and their combinations affect knee joint health.
The findings showed that glucosamine sulfate does offer significant benefits, particularly in reducing joint space narrowing, which is a key concern in arthritis treatment. Moreover, chondroitin sulfate was noted for its ability to decrease pain intensity and enhance physical function. However, when we looked at the combination of these two treatments, the results were less encouraging. It turned out that this combination didn’t provide any additional effectiveness in symptom relief or disease modification.
This discrepancy highlights the need for further research to understand the potential enhanced benefits of using glucosamine sulfate and chondroitin sulfate together. Conducting more multicentric randomized controlled trials could help clarify if there’s a therapeutic advantage when these two drugs are combined in treating KOA.
7
Knee OA management insights
Italian Orthopaedic and Traumatology Society (SIOT) position statement on the non-surgical management of knee osteoarthritis.
We explored the effectiveness of glucosamine sulfate in managing knee osteoarthritis (OA), a condition that can significantly impact quality of life. This position statement from the Italian Orthopaedic and Traumatology Society gathered expert opinions and examined a range of available evidence, although it noted the absence of robust, evidence-based guidelines for non-surgical treatments.
Among various non-surgical management strategies, glucosamine and chondroitin were suggested as part of chronic treatment. While we recognize the market prevalence of glucosamine sulfate for arthritis, the exact benefits were discussed in the context of overall symptom management, rather than being highlighted as a standalone miracle solution.
Together with lifestyle changes, weight management, and physical activity, glucosamine sulfate may serve as a helpful aspect of an individual's comprehensive treatment plan. However, we must acknowledge that further research is needed to firmly establish its effectiveness compared to other therapies available for knee OA.
References
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Bolognesi G, Belcaro G, Feragalli B, Cornelli U, Cotellese R, et al. Movardol® (N-acetylglucosamine, Boswellia serrata, ginger) supplementation in the management of knee osteoarthritis: preliminary results from a 6-month registry study. Eur Rev Med Pharmacol Sci. 2016;20:5198.
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Lubis AMT, Siagian C, Wonggokusuma E, Marsetyo AF, Setyohadi B. Comparison of Glucosamine-Chondroitin Sulfate with and without Methylsulfonylmethane in Grade I-II Knee Osteoarthritis: A Double Blind Randomized Controlled Trial. Acta Med Indones. 2017;49:105.
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Notarnicola A, Tafuri S, Fusaro L, Moretti L, Pesce V, et al. The "MESACA" study: methylsulfonylmethane and boswellic acids in the treatment of gonarthrosis. Adv Ther. 2011;28:894. 10.1007/s12325-011-0068-3
Debbi EM, Agar G, Fichman G, Ziv YB, Kardosh R, et al. Efficacy of methylsulfonylmethane supplementation on osteoarthritis of the knee: a randomized controlled study. BMC Complement Altern Med. 2011;11:50. 10.1186/1472-6882-11-50
Brien S, Prescott P, Bashir N, Lewith H, Lewith G. Systematic review of the nutritional supplements dimethyl sulfoxide (DMSO) and methylsulfonylmethane (MSM) in the treatment of osteoarthritis. Osteoarthritis Cartilage. 2008;16:1277. 10.1016/j.joca.2008.03.002
Kim LS, Axelrod LJ, Howard P, Buratovich N, Waters RF. Efficacy of methylsulfonylmethane (MSM) in osteoarthritis pain of the knee: a pilot clinical trial. Osteoarthritis Cartilage. 2006;14:286.
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