International Brazilian Journal of Urology : official journal of the Brazilian Society of Urology International Brazilian Journal of Urology, Vol 41, Iss 1, Pp 172-176 (2015) International braz j urol v.41 n.1 2015 International Braz J Urol Sociedade Brasileira de Urologia (SBU) instacron:SBU International braz j urol, Volume: 41, Issue: 1, Pages: 172-176, Published: FEB 2015