Virulence factors present in the main clone and sub clones of vancomycin-resistant Enterococcus faecalis in Brazil and in vancomycin sensitive isolates from healthy volunteers, hospitalized patients and animals - Camargo, Ilana Lopes Baratella da Cunha; Gilmore, M. S.; Zanella, R. C.; Darini, Ana Lúcia da Costa (International American Society for Microbiology - Federation of European Microbiological Societies Conference on Enterococci, 2005)