Rapoport, Daniel Ureteral access sheath use and stenting in ureteroscopy: effect on unplanned emergency room visits and cost. [electronic resource] - Journal of endourology Sep 2007 - 993-7 p. digital Publication Type: Journal Article ISSN: 0892-7790 Standard No.: 10.1089/end.2006.0236 doi Subjects--Topical Terms: AdultCanadaCohort StudiesEmergency Service, Hospital--economicsFemaleHumansMaleMiddle AgedRetrospective StudiesStentsUreter--pathologyUreteral Calculi--metabolismUreteroscopesUreteroscopy--methods