BAYRAKTAR, Yusuf, Ahmet ÖZGENÇ, Arif ÖZDEMİR, Gürol ÖKSÜZOĞLU, Serap ARSLAN, Teoman COŞKUN, and Bedri UZUNALİMOĞLU. “The Improtance of the Sphincterotomy in the Diagnosis of Periampullary Carcinoma: Analysis of 664 Patients Who Underwent ERCP”. Turkish Journal of Gastroenterology 8, no. 4 (January 4, 1997): 406–412. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/829.