1. Abou-Haila, A., and Fain-Maured, M.A., 1985, Postnatal differentiation of the enzymatic activity of the mouse epididymis, Int J Androl. 8: 441.
2. Bustos-Obregón, E., Valenzuela-Estrada, M., and Rojas, M., 1998, Agropesticides and testicular damage, in: Male Reproduction. A multidisciplinary overview, F. Martinez-Garcia, and J. Regadera, eds., Churchill Communications Europe, Madrid, p: 257.
3. Fredriksson, T., 1961, Studies on the percutaneous absorption of parathion and paraxon, Acta Derm Venereol. 41: 353.
4. Garcia-Rodriguez, J., Garcia-Martin, M., Nogueras-Ocana, M., de Dios Luna del Castillo, J., Espigares-Garcia, M, Olea, N., and Lardelli-Claret P., 1996, Exposure to pesticides and cryptorchidism: Geographical evidence of a possible association, Environ Health Prespect. 104: 1090.
5. Grob, D., Garlick, W.L., Merril, G.G., and Freimuth, H.C., 1949, Death due to parathion, an anticholinesterase insecticide, Ann Intern Med. 35: 899.