Silvis, S E The search for perfection in endoscopic retrograde cholangiopancreatography and endoscopic sphincterotomy. [electronic resource] - Gastrointestinal endoscopy May 1995 - 520-2 p. digital Publication Type: Editorial ISSN: 0016-5107 Standard No.: 10.1016/s0016-5107(05)80018-5 doi Subjects--Topical Terms: Cholangiopancreatography, Endoscopic Retrograde--standardsHumansPancreatic Ducts--anatomy & histologySphincterotomy, Endoscopic--standards