title: Hereditary gallbladder agenesis: twelve cases in the same family.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D000013:Congenital Abnormalities / Q000235:genetics; D003549:Cystic Duct / Q000002:abnormalities* / Q000196:embryology; D005260:Female; D005704:Gallbladder / Q000002:abnormalities* / Q000196:embryology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree