title: Operations on the biliary tract for benign disease (at University Hospital and Veterinas Hospital from 1 October, 1967 to 1 October, 1970).
mesh_terms: D000208:Acute Disease; D000328:Adult; D000368:Aged; D002763:Cholecystectomy; D002908:Chronic Disease; D005260:Female; D005705:Gallbladder Diseases / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications