| align="center"|'''Sponsors and Collaborators'''
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| [http://clinicaltrials.gov/ct2/show/NCT00250406?term=ureteral+stent&rank=1 Assessment of Drug-Eluting Ureteral Stent on Bacterial Adherence and Biofilm Formation]||Renal Calculi, Ureteral Obstruction||Device: Ureteral Stent||Lawson Health Research Institute, Boston Scientific Corporation
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| Memokath® 044TW Stent for Treatment of Urethral Stricture||Urethral Stricture||Device: Memokath stenting||Engineers & Doctors Wallsten Medical Group