Yoshihiro H, Kensei M, Yoshifuku N. Endoscopic papillectomy for carcinoma of the ampulla of Vater: Possible standardization based on endoscopy and immunohistochemistry. Turkish Journal of Gastroenterology [Internet]. 2014 Jan. 5 [cited 2026 Jan. 1];25(5):563-7. Available from: https://www.turkjgastroenterol.org/index.php/tjg/article/view/2581