Bretschneider, G, and SE Pérez. “Enterohemorrhagic E. Coli: Virulence Factors and Infection in Cattle”. Analecta Veterinary 30, no. 2 (January 1, 2010): 45–56. Accessed April 18, 2025. https://revistas.unlp.edu.ar/analecta/article/view/12458.