MUAZZAM, M.; HUSSAIN, S.; QURESHI, M. T. ANATOMICAL VARIATIONS OF EXTRA HEPATIC BILIARY SYSTEM IN PATIENTS UNDERGOING LAPAROSCOPIC CHOLECYSTECTOMY IN CMH & PEMH RAWALPINDI. Pakistan Armed Forces Medical Journal (PAFMJ), v. 71, n. 3, p. 916-19, 30 jun. 2021.