Virulence properties of Escherichia coli isolated from ostriches with respiratory disease - Knöbl, Terezinha; Baccaro, Maria Regina; Moreno, Andrea Micke; Gomes, Tânia Aparecida Tardelli; Vieira, Mônica Aparecida Midolli; Ferreira, Claudete Serrano Astolfi; Ferreira, Antonio José Piantino (Veterinary Microbiology, 2001)