Gutiérrez-Sigueros, I., C. A. Cuenca-Soria, L. I. Navarro-Angulo, E. J. Maldonado-Enríquez, C. E. Melgar-Valdes, and A. Castillo-Domínguez. “Optimal Time and Dose of Fluoxymesterone, for Masculinization of Mayan Fish Cichlasoma Urophthalmus (Percidae: Cichlidae)”. UNED Research Journal, vol. 10, no. 2, Sept. 2018, pp. 416-21, doi:10.22458/urj.v10i2.2170.