Hussain, M. Z., Khan, K. I., Vaseem, M., & Rana, S. H. (2010). EXTRAHEPATIC BILIARY OBSTRUCTION; POSTOPERATIVE MORBIDITY AND MORTALITY: Extrahepatic Biliary Obstruction. Pakistan Armed Forces Medical Journal, 60(2), 222-6. https://pafmj.org/PAFMJ/article/view/901