title: [Nonvisualized gallbladder in cholecystography per os: radiotomographic study after a second dose].
abstract: Tomography after a second dose of contrast medium gave useful information in 46/57 (81%) cases where the gallbladder was not visualized after a first dose per os. Eight cases are presented in detail.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000368:Aged; D002765:Cholecystography / Q000379:methods*; D003287:Contrast Media / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D003287:Contrast Media
vernacular_title: Colecisti escluse "per os": studio radiotomografico dopo una seconda dose.