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Dolan MM, Hawkes WG, Zimmerman SI, Morrison RS, Gruber-Baldini AL, Hebel JR, Magaziner J.Dolan MM, et al.J Gerontol A Biol Sci Med Sci. 2000 Sep;55(9):M527-34. doi: 10.1093/gerona/55.9.m527.J Gerontol A Biol Sci Med Sci. 2000.PMID: 10995051