title: Critical evaluation of improved surgical methods in choledochal exploration.
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery; D001658:Biliary Fistula / Q000209:etiology; D001660:Biliary Tract Diseases / Q000601:surgery*; D002404:Catheterization; D002758:Cholangiography; D002761:Cholangitis / Q000209:etiology; D002764:Cholecystitis / Q000601:surgery; D002779:Cholestasis / Q000601:surgery; D003135:Common Bile Duct / Q000601:surgery*; D004322:Drainage; D004386:Duodenum / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D042882:Gallstones / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D010195:Pancreatitis / Q000601:surgery; D011183:Postoperative Complications; D012737:Sex Factors; D013530:Surgical Wound Infection / Q000209:etiology