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Amador-Licona N, Guízar-Mendoza J, Vargas E, Sánchez-Camargo G, Zamora-Mata L.Amador-Licona N, et al.Arch Med Res. 2000 Nov-Dec;31(6):571-5. doi: 10.1016/s0188-4409(00)00241-1.Arch Med Res. 2000.PMID: 11257323Clinical Trial.