Shafique, Muhammad Salman, Jahangir Sarwar Khan, Muhammad Umer Fayyaz, Shahbaz Zafar, Mubashir Nasrullah, and Raheel Ahmad. 2016. “PROPHYLACTIC RECTAL NSAIDS IN THE PREVENTION OF POST-ERCP PANCREATITIS”. Journal of Postgraduate Medical Institute 30 (2). https://www.jpmi.org.pk/index.php/jpmi/article/view/1883.