SIMONETTI, Laura; RAMOS, Guillermo; GARDÓN, Juan Carlos. Estrus presentation and distribution in ewes treated with intravaginal sponges impregnated with medroxyprogesterone acetate (MAP) in combination with pregnant mare serum gonadotropin (PMSG). Brazilian Journal of Veterinary Research and Animal Science, São Paulo, Brasil, v. 36, n. 5, p. 236–239, 1999. DOI: 10.1590/S1413-95961999000500002. Disponível em: https://www.revistas.usp.br/bjvras/article/view/5733.. Acesso em: 4 may. 2024.