M. Z. Hussain, K. I. Khan, M. Vaseem, and S. H. Rana, “EXTRAHEPATIC BILIARY OBSTRUCTION; POSTOPERATIVE MORBIDITY AND MORTALITY: Extrahepatic Biliary Obstruction”, Pak Armed Forces Med J, vol. 60, no. 2, pp. 222–6, Jun. 2010, Accessed: Nov. 23, 2024. [Online]. Available: https://pafmj.org/PAFMJ/article/view/901