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[Impact of weekly administration of folic acid on folic acid blood levels].
Martínez-de Villarreal LE, Limón-Benavides C, Valdez-Leal R, Sánchez-Peña MA, Villarreal-Pérez JZ. Martínez-de Villarreal LE, et al. Among authors: limon benavides c. Salud Publica Mex. 2001 Mar-Apr;43(2):103-7. Salud Publica Mex. 2001. PMID: 11381838 Spanish.
Folate levels and N(5),N(10)-methylenetetrahydrofolate reductase genotype (MTHFR) in mothers of offspring with neural tube defects: a case-control study.
Martínez de Villarreal LE, Delgado-Enciso I, Valdéz-Leal R, Ortíz-López R, Rojas-Martínez A, Limón-Benavides C, Sánchez-Peña MA, Ancer-Rodríguez J, Barrera-Saldaña HA, Villarreal-Pérez JZ. Martínez de Villarreal LE, et al. Among authors: limon benavides c. Arch Med Res. 2001 Jul-Aug;32(4):277-82. doi: 10.1016/s0188-4409(01)00292-2. Arch Med Res. 2001. PMID: 11440783