Khursheed AA, Khan MR, Saeed J. Early postoperative outcomes in patients with resectable extrahepatic biliary tumours: A single center cross sectional study. J Pak Med Assoc [Internet]. 2025 Sep. 25 [cited 2026 May 11];75(10):1569-74. Available from: https://jpma.org.pk/index.php/public_html/article/view/21670