title: A clinical study of 2439 surgical procedures performed on the extra hepatic biliary tract at the Good Samaritan Hospital between January 1, 1950 and December 31, 1970.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001660:Biliary Tract Diseases / Q000601:surgery*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies