letter . 2015 Jan 20;17(3):513–515. doi: 10.4103/1008-682X.146100
Copyright: © Asian Journal of Andrology
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited