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Jagger C, Matthews RJ, Matthews FE, Spiers NA, Nickson J, Paykel ES, Huppert FA, Brayne C; Medical Research Council Cognitive Function and Ageing Study (MRC-CFAS).Jagger C, et al. Among authors: huppert fa.BMC Public Health. 2007 Jul 13;7:156. doi: 10.1186/1471-2458-7-156.BMC Public Health. 2007.PMID: 17629910Free PMC article.