Sheikh, S.A., Mir, A.H., Yousuf, A. and Naqash, I.A. 2019. Evaluation of efficacy of intravenous magnesium sulphate versus dexamethasone for prevention of postoperative sore throat in patients undergoing lumbar spine surgery in prone position: a prospective randomized double blind placebo controlled study. International Journal of Advances in Medicine. 6, 3 (May 2019), 833–839. DOI:https://doi.org/10.18203/2349-3933.ijam20192248.