B. J. Vásquez-Marín, S. Salazar-Sequea, O. De La Rosa, O. Verde, A. F. Marques-Urdaneta, and L. T. Vilanova-Fernández, “Association of polymorphisms of the Leptin gene with seminal quality in Carora breed bulls”, Rev. Cient. FCV-LUZ, vol. 31, no. 4, pp. 147-156, Sep. 2021.