Serum levels of gamma glutamyl transferase (GGT) and aspartate aminotransferase (AST) in Murrah buffaloes - Gomes, Viviani; Madureira, K; Leonel, K; Blagitz, M; Kitamura, S; Gomes, A; Benesi, Fernando José (Jubilee World Buiatrics Congress, 2008)