Tsilika M, Thoma G, Aidoni Z, Tsaousi G, Fotiadis K, et al. A four-probiotic preparation for ventilator-associated pneumonia in multi-trauma patients: results of a randomized clinical trial. Int J Antimicrob Agents. 2022;59:106471. doi:10.1016/j.ijantimicag.2021.106471