Prostatic Transition Zone Directed Needle Biopsies Uncommonly Sample Clinically Relevant Transition Zone TumorsParsons, Kellogg J.Author informationMoores Comprehensive Cancer Center, University of California-San Diego, La Jolla, CaliforniaJournal of Urology 182(4):p 1340-1341, October 2009.Copyright © 2009 by the American Urological Association, Inc.