MACHADO, R.; BERGAMASCHI, M. A. C. M.; BARBOSA, R. T.; MADUREIRA, E. H.; ALENCAR, M. M. de; BINELLL, M. Service, conception and pregnancy rates of nelore cows treated with human corionic gonadotropin and estradiol-17² after timed artificial insemination. Brazilian Journal of Veterinary Research and Animal Science, [S. l.], v. 45, n. 3, p. 221-230, 2008. DOI: 10.11606/issn.1678-4456.bjvras.2008.266700. Disponível em: https://www.revistas.usp.br/bjvras/article/view/26700. Acesso em: 14 aug. 2022.