title: Biliary tract disorders; personal observations in 90 consecutive patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001660:Biliary Tract Diseases / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies