2003 Petting zoo-associated Escherichia coli O157:H7. British Columbia
Petting zoo-associated Escherichia coli 0157:h7--secondary transmission, asymptomatic infection, and prolonged shedding in the classroom. DAVID, S. T. et al. Petting zoo-associated Escherichia coli 0157:h7--secondary transmission, asymptomatic infection, and prolonged shedding in the classroom. Can Commun Dis Rep, v. 30, n. 20, p. 173-80, Oct 2004. ISSN 1188-4169. Disponível em: < http://www.ncbi.nlm.nih.gov/pubmed/15536809 >.
