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Nature Reviews Urology 6, 354–355 (1 July 2009) | doi:10.1038/nrurol.2009.104

Clinical trials: Nationally representative data in urology

Jay B. Shah & Vitaly Margulis

Urologists have long recognized the value of retrospective clinical research in informing daily practice decisions. Historically, this clinical research has primarily taken the form of single-institution experiences reported by tertiary care centers.