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Arias EB, Gosselin LE, Cartee GD.Arias EB, et al.J Gerontol A Biol Sci Med Sci. 2001 Oct;56(10):B449-55. doi: 10.1093/gerona/56.10.b449.J Gerontol A Biol Sci Med Sci. 2001.PMID: 11584030