title: Chronic acalculous gallbladder disease: a clinical enigma.
mesh_terms: D000293:Adolescent; D000328:Adult; D002765:Cholecystography / Q000379:methods; D002766:Cholecystokinin; D002908:Chronic Disease; D005260:Female; D005705:Gallbladder Diseases / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging
chemical_list: D002766:Cholecystokinin