Sit-to-stand power vs. handgrip strength for the assessment of muscle function in older people: Impact on functional ability and mortality in the Toledo study for healthy aging. - Garcia-Aguirre M; Baltasar-Fernandez I; Carnicero JA; Alcazar J; Quiñonez-Bareiro FA; Ara I; Rodriguez-Mañas L; Garcia-Garcia FJ; Alegre LM (Experimental gerontology, 2026)