Maryam, S., K. Amer, and A. Wajeeha. “OVER VIEW OF ROLE OF ERCP IN HEPATOBILIARY PROBLEMS AND ENCOUNTERED COMPLICATIONS IN A TERTIARY CARE HOSPITAL IN KPK PROVINCE”. Pakistan Armed Forces Medical Journal, Vol. 69, no. 5, Oct. 2019, pp. 1094-97, https://pafmj.org/index.php/PAFMJ/article/view/3420.