Fragala MS, Dam TT, Barber V, Judge JO, Studenski SA, Cawthon PM, McLean RR, Harris TB, Ferrucci L, Guralnik JM, Kiel DP, Kritchevsky SB, Shardell MD, Vassileva MT, Kenny AM. Strength and function response to clinical interventions of older women categorized by weakness and low lean mass using classifications from the Foundation for the National Institute of Health sarcopenia project. J Gerontol A Biol Sci Med Sci. 2015 Feb; 70(2):202-9.