title: [Floating gallbladder calculi and its clinical significance].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002765:Cholecystography; D002769:Cholelithiasis / Q000000981:diagnostic imaging* / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged