Zinc reduces postoperative sore throat
Mondal AK, Maiti AK, Chattopadhyay S, Bhar D. A randomised, double-blind, comparative study of preoperative magnesium sulphate versus zinc sulphate gargle for prevention of postoperative sore throat following endotracheal intubation. Indian J Anaesth. 2023;67:S261. doi:10.4103/ija.ija_975_22