title: Ultrasound examination of the gallbladder. An alternative to "double-dose" oral cholecystography.
mesh_terms: D000284:Administration, Oral; D002765:Cholecystography / Q000295:instrumentation; D002769:Cholelithiasis / Q000175:diagnosis; D003287:Contrast Media / Q000008:administration & dosage; D005069:Evaluation Studies as Topic; D005704:Gallbladder; D006801:Humans; D014463:Ultrasonography
chemical_list: D003287:Contrast Media