. 2015 Jan-Feb;41(1):15–25. doi: 10.1590/S1677-5538.IBJU.2015.01.04
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Table 1. Quality Assessment for 9 studies (QUADAS 2).
