Different levels of physical activity and depression symptoms among older adults from 18 countries: A population-based study from the Survey of Health, Ageing and Retirement in Europe (SHARE)

1. Marques, A.
2. Gaspar de Matos, M.
3. Bordado, J.
4. Gouveia, É.R.
5. Peralta, M.
6. Gomez-Baya, D.