The role of obstruction and infection in biliary tract disease.
D001424:Bacterial Infections / Q000150:complications; D001650:Bile Duct Neoplasms / Q000150:complications; D001659:Biliary Tract / Q000002:abnormalities; D001660:Biliary Tract Diseases / Q000209:etiology*; D002769:Cholelithiasis / Q000150:complications; D003250:Constriction; D013502:General Surgery / Q000266:history; D049672:History, 19th Century; D006801:Humans; D008875:Middle Aged; D014481:United States