Colapkulu, Nuray, Gurhan Bas, Fatih Buyuker, Damla Beyazadam, Ibrahim A. Ozemir, and Orhan Alimoglu. “Intraductal Papillary Neoplasm of Bile Ducts: Report of a Case and Literature Review”. International Surgery Journal 6, no. 7 (June 29, 2019): 2579–2586. Accessed April 30, 2026. https://www.ijsurgery.com/index.php/isj/article/view/4410.