Carlos Erazo, Nancy, and Noemí Coronel Defilippi. “Calcium and Phosphorus Serum Levels in Macaws (Ara Sp) Kept in Captivity in Lima, Peru”. Revista de Investigaciones Veterinarias del Perú 27, no. 3 (October 1, 2016): 626–630. Accessed August 16, 2024. https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/11479.