Hussain, Maj Zaki, Khizar Ishtiaque Khan, Muhammad Vaseem, and Shabbir Hussain Rana. “EXTRAHEPATIC BILIARY OBSTRUCTION; POSTOPERATIVE MORBIDITY AND MORTALITY: Extrahepatic Biliary Obstruction”.
Pakistan Armed Forces Medical Journal 60, no. 2 (June 30, 2010): 222–6. Accessed June 9, 2025.
https://www.pafmj.org/PAFMJ/article/view/901.