KUMAR, BIPIN; SINGH, C; CHOUDHARY, S K. Blood urea concentration in crossbred calves*. The Indian Journal of Animal Sciences, Delhi, India, v. 72, n. 6, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/37631. Acesso em: 23 oct. 2025.