Modify technique for wire-guided papillotomy.
Cass
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D014670:Ampulla of Vater / Q000601:surgery*; D001662:Biliary Tract Surgical Procedures / Q000295:instrumentation*; D002404:Catheterization / Q000295:instrumentation*; D004564:Electrocoagulation / Q000295:instrumentation*; D006801:Humans