Rúa M., Viviana, Juan Olazábal L., and Felipe San Martín H. “Purine Derivatives Excretion Function in Relation to the Fiber Protein Ratio in the Diet of Alpacas (Vicugna Pacos)”. Revista de Investigaciones Veterinarias del Perú 28, no. 1 (May 7, 2017): 62–70. Accessed August 16, 2024. https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/12936.