Sherin, Akhtar. “CLINICAL TRIAL REGISTRATION: CAN WE ESTABLISH NATIONAL CLINICAL TRIAL REGISTRY OF PAKISTAN?”. KHYBER MEDICAL UNIVERSITY JOURNAL 4, no. 2 (June 30, 2012): 37-38. Accessed September 28, 2020. https://www.kmuj.kmu.edu.pk/article/view/10975.