Porcentage of polymorphonuclear leukocytes (CH138+) in milk from Corynebacterium bovis and Streptococcus dysgalactiae infected - Blagitz, M. G; Souza, F. N; Santos, B. P; Batista, C. F; Parra, A. C; Azevedo, L. F. F; Gomes, Viviani; Della Libera, Alice Maria Melville Paiva (World Buiatrics Congress, 2012)