Precut papillotomy--a risky technique for experts only.
Cotton
P B
PB
D014670:Ampulla of Vater / Q000601:surgery*; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000295:instrumentation*; D004564:Electrocoagulation / Q000295:instrumentation*; D042882:Gallstones / Q000601:surgery*; D006801:Humans; D011183:Postoperative Complications / Q000401:mortality; D012307:Risk Factors; D013525:Surgical Instruments