Brazilian Journal of Medical and Biological Research Brazilian Journal of Medical and Biological Research v.48 n.2 2015 Associação Brasileira de Divulgação Científica (ABDC) instacron:ABDC Brazilian Journal of Medical and Biological Research, Vol 48, Iss 2, Pp 161-166 (2015) Brazilian Journal of Medical and Biological Research, Volume: 48, Issue: 2, Pages: 161-166, Published: 21 NOV 2014 Brazilian Journal of Medical and Biological Research, Vol 48, Iss 2, Pp 161-166 (2014)