HAMILTON, T. R. dos S.; LUCCI, C. de S.; MADUREIRA, E. H.; NARIMATSU, S.; GOULART, R. H.; GIL, J.; FONTOLAN, V.; BARUSELLI, M. S. Seminal characteristics of rams supplement or not with urea and two sources of sulphur. Brazilian Journal of Veterinary Research and Animal Science, [S. l.], v. 46, n. 1, p. 54-61, 2009. DOI: 10.11606/issn.1678-4456.bjvras.2009.26750. Disponível em: https://www.revistas.usp.br/bjvras/article/view/26750. Acesso em: 28 jan. 2023.