Gutiérrez, J. M.; Chaves, F.; Rojas, E.; Elizondo, J.; Ávila, C.; Cerdas, L. Production of Monovalent Anti-<i>Bothrops asper</i> Antivenom: Development Oí Immune Response in Horses and Neutralizing Ability. Rev. Biol. Trop. 1988, 36, 511–517.