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Cherbuin N, Anstey KJ, Sachdev PS, Maller JJ, Meslin C, Mack HA, Wen W, Easteal S.Cherbuin N, et al.J Gerontol A Biol Sci Med Sci. 2008 May;63(5):501-4. doi: 10.1093/gerona/63.5.501.J Gerontol A Biol Sci Med Sci. 2008.PMID: 18511754