27. Bibliografía - Evaluation of the Patient with Flank Pain and Possible Ureteral Calculus1 Radiology 2003; 228:319-329 - Mimics of Renal Colic: Alternative Diagnoses at Unenhanced Helical CT1 RadioGraphics 2004;24:S11-S2 -Renal Colic: Comparison of Use and Outcomes of Unenhanced Helical CT for Emergency Investigation in 1998 and 20021 Radiology 2005;236:554-558 -CT in the Evaluation of Nontraumatic Abdominal Pain in Pregnant Women1 Radiology 2007;244:784-790 - MR Urography: Techniques and Clinical Applications RadioGraphics 2008;28:23-46