Percentage of T CD4 and CD25 lymphocytes in milk from healthy quarters in different lactation stages - Della Libera, Alice Maria Melville Paiva; Souza, F. N; Santos, B. P; Batista, C. F; Parra, A. C; Azevedo, L. F; Latorre, A. O; Blagitz, Maiara Garcia (World Buiatrics Congress, 2012)