International Brazilian Journal of Urology : official journal of the Brazilian Society of Urology International Brazilian Journal of Urology, Vol 44, Iss 4, Pp 794-799 International braz j urol, Volume: 44, Issue: 4, Pages: 794-799, Published: AUG 2018 International braz j urol v.44 n.4 2018 International Braz J Urol Sociedade Brasileira de Urologia (SBU) instacron:SBU