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Cooper R, Kuh D, Cooper C, Gale CR, Lawlor DA, Matthews F, Hardy R; FALCon and HALCyon Study Teams.Cooper R, et al. Among authors: matthews f.Age Ageing. 2011 Jan;40(1):14-23. doi: 10.1093/ageing/afq117. Epub 2010 Sep 15.Age Ageing. 2011.PMID: 20843964Free PMC article.Review.