SEZGİN, O., YILMAZ, U., DEMİRCİ, F., & ŞAHİN, B. (1999). Endoscopic sphincteroplasty: An effective method of extracting bile duct stones by ERCP patients with Billroth II gastrectomy. Turkish Journal of Gastroenterology, 10(1), 78–80. Retrieved from https://www.turkjgastroenterol.org/index.php/tjg/article/view/955