Scopus-Elsevier Repositório Científico de Acesso Aberto de Portugal Repositório Científico de Acesso Aberto de Portugal (RCAAP) instacron:RCAAP CIÊNCIAVITAE Brazilian Journal of Medical and Biological Research v.41 n.7 2008 Brazilian Journal of Medical and Biological Research Associação Brasileira de Divulgação Científica (ABDC) instacron:ABDC Brazilian Journal of Medical and Biological Research, Vol 41, Iss 7, Pp 600-609 (2008) Brazilian Journal of Medical and Biological Research, Volume: 41, Issue: 7, Pages: 600-609, Published: JUL 2008