GARDÓN, J. C.; SIMONETTI, L. Residual levels on medroxyprogesterone acetateimpregnated sponges after estrus synchronization treatment and their relationship with fertility in cyclic goats. Brazilian Journal of Veterinary Research and Animal Science, [S. l.], v. 34, n. 3, p. 163-166, 1997. DOI: 10.11606/issn.2318-3659.v34i3p163-166. Disponível em: https://www.revistas.usp.br/bjvras/article/view/50287. Acesso em: 28 sep. 2022.