New bile duct interventions: critique and caveats.
D001649:Bile Duct Diseases / Q000175:diagnosis* / Q000601:surgery; D002404:Catheterization / Q000295:instrumentation / Q000379:methods; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods*; D006801:Humans; D009803:Sphincter of Oddi / Q000601:surgery