Two new methods for selective bile duct cannulation and sphincterotomy.
Department of Medicine, Doctor's Hospital, New York, New York.
J H
JH
Siegel
W
W
Pullano
D002404:Catheterization / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D013105:Sphincterotomy, Transduodenal / Q000295:instrumentation / Q000379:methods*