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Arking DE, Fallin DM, Fried LP, Li T, Beamer BA, Xue QL, Chakravarti A, Walston J.Arking DE, et al. Among authors: walston j.J Am Geriatr Soc. 2006 May;54(5):823-6. doi: 10.1111/j.1532-5415.2006.00693.x.J Am Geriatr Soc. 2006.PMID: 16696750