GARC?A L?PEZ, R.; BACALLAO, Y. Influence of the urea concentration in plasma on pregnancy and dairy components for tropical conditions. Cuban Journal of Agricultural Science, [S. l.], v. 44, n. 1, 2010. Disponível em: https://cjascience.com/index.php/CJAS/article/view/285. Acesso em: 9 may. 2024.