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Bamman MM, Hill VJ, Adams GR, Haddad F, Wetzstein CJ, Gower BA, Ahmed A, Hunter GR.Bamman MM, et al.J Gerontol A Biol Sci Med Sci. 2003 Feb;58(2):108-16. doi: 10.1093/gerona/58.2.b108.J Gerontol A Biol Sci Med Sci. 2003.PMID: 12586847Free article.