Rodríguez-Castillo, J. del C., A. Pro-Martínez, A. Villanueva-C., and J. Gallegos-Sánchez. “Duration of Estrus and Preovulatory Surge of LH in Boer X Nubian Goats Synchronized With Various Hormones in Tropical Latitude of Mexico”. Archivos Latinoamericanos De Producción Animal, Vol. 18, no. 1-2, Apr. 2011, https://ojs.alpa.uy/index.php/ojs_files/article/view/668.