Genetic variability and pathogenicity potential of Escherichia coli isolated from recreational water reservoirs - Orsi, Renato H.; Stoppe, Nancy C.; Sato, Maria Inês Zanoli; Gomes, Tânia Aparecida Tardelli; Prado, Paulo Inácio; Manfio, Gilson Paulo; Ottoboni, Laura M. M. (Research in Microbiology, 2007)