Baseer, Muhammad, Rahat Ali, and Muhammad Ayub. 2018. “The Frequency of Incidental Gall Bladder Carcinoma After Laparoscopic Cholecystectomy for Chronic Cholecystitis With Gall Stones”. Annals of Punjab Medical College 13 (2), 130-32. https://doi.org/10.29054/apmc/2019.69.