Is one set of sextant biopsies enough to rule out prostate cancer? Influence of transition and total prostate volumes on prostate cancer yield. - Djavan,B.; Zlotta,A.R.; Ekane,S.; Remzi,M.; Kramer,G.; Roumeguere,T.; Etemad,M.; Wolfram,R.; Schulman,C.C.; Marberger,M. (Eur Urol, 2000)