Repositório Institucional da UFOP Universidade Federal de Ouro Preto (UFOP) instacron:UFOP Brazilian Archives of Biology and Technology, Volume: 48, Issue: 2, Pages: 203-209, Published: MAR 2005 Brazilian Archives of Biology and Technology, Vol 48, Iss 2, Pp 203-209 (2005) Brazilian Archives of Biology and Technology v.48 n.2 2005 Brazilian Archives of Biology and Technology Instituto de Tecnologia do Paraná (Tecpar) instacron:TECPAR