Liebana, E., Smith, R. P., Batchelor, M., McLaren, I., Cassar, C., Clifton-Hadley, F. A., & Paiba, G. A. (2005). Persistence of Escherichia coli O157 Isolates on Bovine Farms in England and Wales. American Society for Microbiology.

Liebana, Ernesto, Richard P. Smith, Miranda Batchelor, Ian McLaren, Claire Cassar, Felicity A. Clifton-Hadley, e Giles A. Paiba. Persistence of Escherichia Coli O157 Isolates On Bovine Farms in England and Wales. American Society for Microbiology, 2005.

Liebana, Ernesto, et al. Persistence of Escherichia Coli O157 Isolates On Bovine Farms in England and Wales. American Society for Microbiology, 2005.