1. Volume 61, Issue 2, Pages 370-377 (February 2012)
Predictors of Unfavourable Repeat Biopsy Results in Men Participating in a Prospective Active Surveillance Program 
Meelan Bul, Roderick C.N. van den Bergh, Antti Rannikko, Riccardo Valdagni, Tom Pickles, Chris H. Bangma, Monique J. Roobol 
European Urology 
Volume 61, Issue 2, Pages (February 2012)
DOI: /j.eururo
Copyright © 2011 European Association of Urology Terms and Conditions

2. Fig. 1
Number of repeat biopsies per participating country in the Prostate Cancer Research International: Active Surveillance (PRIAS) study.
European Urology  , DOI: ( /j.eururo )
Copyright © 2011 European Association of Urology Terms and Conditions