DRESSER, B. Further research on methods for ovulation and pregnancy detection. Pachyderm, [S. l.], v. 9, n. 1, p. 25–26, 1987. DOI: 10.69649/pachyderm.v9i1.660. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/660. Acesso em: 19 may. 2026.