Nicol AV, Y. S. N. J, Colbran R. Pure squamous cell carcinoma of the gallbladder in a patient with perforated calculus cholecystitis. Int Surg J [Internet]. 2022 Jan. 29 [cited 2026 Feb. 20];9(2):476-9. Available from: https://www.ijsurgery.com/index.php/isj/article/view/8453