@book{5286,
	author = {Urrea, German and Maldonado Estrada, Juan Guillermo and Cordoba, L Sandra},
	title = {Body and Testicular Traits, Libido Test  Eng and Semen Analysis of Young Males From the Blanco Orejinegro (Bos Tauru) Herd of University of Antioquia, Throughout Puberty Onset /}
}