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[Analysis of the frequencies of genotype combinations of 4 polymorphisms of genes acting on the folate cycle in the Spanish population].
Martínez-Frías ML, Bermejo E, Pérez B, Desviat LR, Castro M, Leal F, Mansilla E, Martínez-Fernández ML, Rodríguez-Pinilla E, Rodríguez L, Ugarte M; Grupo de Trabajo del Estudio Colaborativo Español de Malformaciones Congénitas (ECEMC). Martínez-Frías ML, et al. Med Clin (Barc). 2008 Jun 21;131(3):81-8. doi: 10.1157/13124010. Med Clin (Barc). 2008. PMID: 18590621 Spanish.