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Vásquez-Garibay E, Méndez-Estrada C, Romero-Velarde E, García-Iglesias MT, Campollo-Rivas O.Vásquez-Garibay E, et al.Arch Med Res. 2004 Jul-Aug;35(4):284-8. doi: 10.1016/j.arcmed.2004.03.002.Arch Med Res. 2004.PMID: 15325501Clinical Trial.