Özmen, M. Mahir, Adil TANIK, Arife POLAT, Uğur YILMAZ, and Burhan ŞAHİN. 1999. “The Importance of Endoscopic Spinchterotomy in Biliary Fistulas Secondary to Hydatid Disease of Liver”. Turkish Journal of Gastroenterology 10 (1):52-54. https://turkjgastroenterol.org/index.php/tjg/article/view/949.