ÜSTÜNDAĞ, Yücel, Kemal KARAKAYA, and Selim AYDEMİR. 2009. “Biliary Cannulation Facilitated by Endoscopic Clip Assistance in the Setting of Intradiverticular Papilla”. Turkish Journal of Gastroenterology 20 (4):279-81. https://doi.org/10.4318/tjg.2009.0027.