VAN, A. Developments with hormonal contraceptives for elephants. Pachyderm, [S. l.], v. 22, n. 1, p. 86–86, 1996. DOI: 10.69649/pachyderm.v22i1.875. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/875. Acesso em: 23 nov. 2024.