Socioeconomic differences in the benefits of structured physical activity compared with health education on the prevention of major mobility disability in older adults: the LIFE study.
David BannHaiying ChenChris BonellNancy W GlynnRoger A FieldingTodd ManiniAbby C KingMarco PahorShannon L MihalkoThomas M Gillnull nullPublished in: Journal of epidemiology and community health (2016)
NCT01072500.