Singh, Arun Kumar, Syed Muhammad Javed Iqbal, Raheela Akhtar, Muhammad Faheem Afzal, and Muhammad Ashraf Sultan. 2014. “Placebo Controlled Trial of Zinc Supplementation on Duration of Hospital Stay in Children With Pneumonia”. Annals of King Edward Medical University 18 (4):365. https://doi.org/10.21649/akemu.v18i4.455.