Sheafor, D H Nonenhanced helical CT and US in the emergency evaluation of patients with renal colic: prospective comparison. [electronic resource] - Radiology Dec 2000 - 792-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0033-8419 Standard No.: 10.1148/radiology.217.3.r00dc41792 doi Subjects--Topical Terms: AdultAgedBody WeightColic--diagnostic imagingEmergenciesFemaleHumansKidney Calculi--diagnostic imagingKidney Diseases--diagnostic imagingMaleMiddle AgedProspective StudiesSensitivity and SpecificityTomography, X-Ray ComputedUltrasonographyUreteral Calculi--diagnostic imagingUrinary Bladder Calculi--diagnostic imagingUrinary Calculi--diagnostic imaging