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Klein CS, Allman BL, Marsh GD, Rice CL.Klein CS, et al. Among authors: marsh gd.J Gerontol A Biol Sci Med Sci. 2002 Jul;57(7):M455-9. doi: 10.1093/gerona/57.7.m455.J Gerontol A Biol Sci Med Sci. 2002.PMID: 12084808