Austad Steven N
Department of Cellular and Structural Biology, Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center San Antonio, San Antonio, TX 78245, USA.
J Gerontol A Biol Sci Med Sci. 2009 Feb;64(2):192-4. doi: 10.1093/gerona/gln059. Epub 2009 Jan 30.