REDDY, G G; ANTONY, P X; SRINIVASAN, V A. Enterotoxaemia vaccine -optimum toxin content before inactivation. The Indian Journal of Animal Sciences, Delhi, India, v. 67, n. 1, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/34064. Acesso em: 24 oct. 2025.