Freitas, J E Suspected acute cholecystitis. Comparison of hepatobiliary scintigraphy versus ultrasonography. [electronic resource] - Clinical nuclear medicine Aug 1982 - 364-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0363-9762 Standard No.: 10.1097/00003072-198208000-00004 doi Subjects--Topical Terms: Acute DiseaseBiliary Tract--diagnostic imagingCholecystitis--diagnosisHumansImino AcidsLiver--diagnostic imagingOrganotechnetium CompoundsProspective StudiesRadionuclide ImagingTechnetiumTime FactorsUltrasonography