TORO MONTOYA, Andrés Eduardo. Pelicans of Ballestas Islands. Medicina UPB, [S. l.], v. 30, n. 2, p. 119–120, 2011. Disponível em: https://revistas.upb.edu.co/index.php/medicina/article/view/1846. Acesso em: 28 may. 2026.