Serum concentrations of estradiol, testosterone, 'T IND. 3' 'T IND. 4'and semen longevity of stallions storaged at '5 GRAUS'C - Almeida, Henry Berger de; Oliveira, Cláudio Alvarenga de; Celeghini, Eneiva Carla Carvalho; Arruda, Rubens Paes de (International Congress on Animal Reproduction, 2004)