Early extraction of residual biliary tract stones: a two-guide-wire technique.
D000368:Aged; D001652:Bile Ducts; D002404:Catheterization / Q000295:instrumentation* / Q000379:methods; D042882:Gallstones / Q000601:surgery / Q000628:therapy*; D006801:Humans; D008297:Male; D011182:Postoperative Care