Multiple Adverse Histological Features Increase the Odds of Under Staging T1 Bladder CancerWitjes, Alfred J.Author informationDepartment of Urology, Radboud University Nijmegen Medical Centre, Nijmegen, The NetherlandsJournal of Urology 182(1):p 65, July 2009.Copyright © 2009 by the American Urological Association, Inc.