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Gea A, Martinez-Gonzalez MA, Toledo E, Sanchez-Villegas A, Bes-Rastrollo M, Nuñez-Cordoba JM, Sayon-Orea C, Beunza JJ.Gea A, et al.BMC Public Health. 2012 Nov 7;12:954. doi: 10.1186/1471-2458-12-954.BMC Public Health. 2012.PMID: 23134690Free PMC article.