Strength, but not muscle mass, is associated with mortality in the health, aging and body composition study cohort - Newman, A B; Kupelian, V; Visser, M; Simonsick, E M; Goodpaster, B; Kritchevsky, S B; Tylavsky, F A; Rubin, S M; Harris, T B (J Gerontol Biol Sci, 2006)