1. Rabenstein T, Schneider HT, Hahn EG, et al. 25 years of endoscopic sphincterotomy in Erlangen: assessment of the experience in 3498 patients. Endoscopy. 1998;30:A194–201.
2. Silviera ML, Seamon MJ, Porshinsky B, et al. Complications related to endoscopic retrograde cholangiopancreatography: a comprehensive clinical review. J Gastrointesti Liver Dis. 2009;18(1):73–82.
3. Radiographic contrast media used in ERCP (ASGE Technology statement). Gastroenterol Nurs. 1999; 22 : 25–8.
4. Byrne KR, Adler DG. Cannulation of the major and minor papilla via endoscopic retrograde cholangiopancreatography: techniques and outcomes. Techniques Gastrointest Endosc. 2012;14:135–40.
5. Nambu M, Ukita T, Shigoka H, et al. Wire-guided selective cannulation of the bile duct with a sphincterotome: a prospective randomized comparative study with the standard method. Scand J Gastroenterol. 2011;46:109–15.