Walk on the bright side: physical activity and affect in major depressive disorder
Journal of Abnormal Psychology (2012) - Comment
pubmed: 21553939  doi: 10.1037/a0023533  issn: 1939-1846  issn: 0021-843x 

Jutta Mata, Renee J. Thompson, Susanne M. Jaeggi, Martin Buschkuehl, John Jonides, Ian H. Gotlib