title: [Congenital aplasia of the gallbladder simulating obstructive cystic calculus].
mesh_terms: D002137:Calculi; D002769:Cholelithiasis / Q000175:diagnosis*; D004064:Digestive System; D005704:Gallbladder / Q000002:abnormalities*; D006801:Humans
keywords: CHOLELITHIASIS/diagnosis; GALLBLADDER/abnormalities