1. Further studies on the accuracy of oral cholecystography;Baker;Radiology,1960
2. Diagnosis of acute cholecystitis using hepatobiliary scan with technetium-99m PIPIDA;Bennett;Am. J. Surg.,1981
3. Ultrasonographic evaluation of pericholecystic abscesses;Bergman;A.J.R.,1979
4. Oral cholecystography;Berk,1977
5. The problem of impaired first-dose visualization of the gallbladder;Berk;A.J.R.,1971