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López-Torrecillas F, Rueda MM, López-Quirantes EM, Santiago JM, Tapioles RR.López-Torrecillas F, et al.BMC Public Health. 2014 Nov 25;14:1217. doi: 10.1186/1471-2458-14-1217.BMC Public Health. 2014.PMID: 25424314Free PMC article.