Post-ERCP pancreatitis rates do not differ between needle-knife and pull-type pancreatic sphincterotomy techniques: a multiendoscopist 13-year experience.
Post-ERCP pancreatitis rates do not differ between needle-knife and pull-type pancreatic sphincterotomy techniques: a multiendoscopist 13-year experience. Gastrointest Endosc. 2009 Jun; 69(7):1271-5.