Liebana, E., Smith, R. P., Lindsay, E., McLaren, I., Cassar, C., Clifton-Hadley, F. A., & Paiba, G. A. (2003). Genetic Diversity among Escherichia coli O157: H7 Isolates from Bovines Living on Farms in England and Wales. American Society for Microbiology.

Liebana, Ernesto, Richard P. Smith, Elisabeth Lindsay, Ian McLaren, Claire Cassar, Felicity A. Clifton-Hadley, e Giles A. Paiba. Genetic Diversity Among Escherichia Coli O157: H7 Isolates From Bovines Living On Farms in England and Wales. American Society for Microbiology, 2003.

Liebana, Ernesto, et al. Genetic Diversity Among Escherichia Coli O157: H7 Isolates From Bovines Living On Farms in England and Wales. American Society for Microbiology, 2003.