RAJATHI, S.; MUTHUKRISHNAN, S. Histological Study of Preen Gland in the Drongo (Dicrurus macrocercus). Indian Journal of Veterinary Anatomy, India, v. 29, n. 2, 2018. Disponível em: https://epubs.icar.org.in/index.php/IJVA/article/view/83288. Acesso em: 22 jun. 2026.