Cammisa, M [Ultrasonographic studies of non opacified gallbladder after cholecystography (author's transl)]. [electronic resource] - La Radiologia medica May 1981 - 289-93 p. digital Publication Type: Comparative Study; English Abstract; Journal Article ISSN: 0033-8362 Subjects--Topical Terms: Cholecystography--methodsCholelithiasis--diagnosisFalse Negative ReactionsFalse Positive ReactionsHumansTomography--methodsUltrasonography