GUPTA, P S P; SANWAL, P C; VARSHNEY, V P. Circadian changes in testosterone levels in Black Bengal bucks. The Indian Journal of Animal Sciences, Delhi, India, v. 69, n. 7, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/20889. Acesso em: 24 jun. 2026.