Occurrence of Anti-Toxoplasma gondii antibodies in dogs in the urban area of Monte Negro, Rondônia, Brazil - Cañón-Franco, William Alberto; Bergamaschi, Denise Pimentel; Labruna, Marcelo Bahia; Camargo, Luís Marcelo Aranha; Silva, J. C. R.; Pinter, A.; Gennari, Solange Maria (Veterinary Research Communications, 2004)