. 2012 Sep 4;65(3):156–161. doi: 10.5173/ceju.2012.03.art12
Copyright by Polish Urological Association
This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License, permitting all non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.