title: Endoscopic ability and disability.
authors.forename: Oliver W
authors.initials: OW
authors.lastname: Cass
mesh_terms: D002404:Catheterization / Q000379:methods*; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000592:standards* / Q000706:statistics & numerical data; D002983:Clinical Competence / Q000592:standards*; D003135:Common Bile Duct / Q000033:anatomy & histology* / Q000601:surgery; D004724:Endoscopy / Q000193:education*; D006801:Humans; D007396:Internship and Residency; D012372:ROC Curve