Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] Raquel Vieira de Carvalho, Thamy LÃvia Ribeiro Côrrea, Júlia Caroline Matos da Silva, Luciana Ribeiro Coutinho de Oliveira Mansur, Meire Lelis Leal Martins DOI: 10.1590/s1517-838220080001000023 PMID: 24031188 PMCID: PMC3768357