Media type: E-Article Title: Physical activity and mental well-being in older people participating in the Better Ageing Project Contributor: Fox, Kenneth R.; Stathi, Afroditi; McKenna, Jim; Davis, Mark G. imprint: Springer Science and Business Media LLC, 2007 Published in: European Journal of Applied Physiology Language: English DOI: 10.1007/s00421-007-0392-0 ISSN: 1439-6319; 1439-6327 Origination: Footnote: