Multilocus sequence typing and analysis of virulence factors in vancomycin-resistant and vancomycin-sensitive E. faecium strains isolated in Brazil - Camargo, Ilana Lopes Baratella da Cunha; Gilmore, M. S.; Darini, Ana Lúcia da Costa (International American Society for Microbiology - Federation of European Microbiological Societies Conference on Enterococci, 2005)