title: Is a guidewire a magic wand? Is a knife the final weapon?
authors: Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
authors: Hiroyuki
authors: H
authors: Isayama
authors: Yousuke
authors: Y
authors: Nakai
authors: Kazuhiko
authors: K
authors: Koike
mesh_terms: D001662:Biliary Tract Surgical Procedures / Q000379:methods*; D002404:Catheterization / Q000379:methods*; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D016717:Sphincterotomy, Endoscopic / Q000379:methods*