Freed, K S Interobserver variability in the interpretation of unenhanced helical CT for the diagnosis of ureteral stone disease. [electronic resource] - Journal of computer assisted tomography - 732-7 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0363-8715 Standard No.: 10.1097/00004728-199809000-00013 doi Subjects--Topical Terms: Abdominal Pain--diagnostic imagingAcute DiseaseAdolescentAdultAgedAged, 80 and overFemaleHumansMaleMiddle AgedObserver VariationRetrospective StudiesTomography, X-Ray Computed--methodsUreter--diagnostic imagingUreteral Calculi--diagnostic imaging