Citation
Chang, J. J.; Kaufman, J. S.; & Halpern, C. T. (2005). Association between physical activity and adolescent depressive symptoms over time from the national longitudinal study of adolescent health. Society of Epidemiologic Research. Toronto, Canada: Society of Epidemiologic Research.Keyword(s)
DepressionReference Type
Conference proceedingBook Title
Society of Epidemiologic ResearchAuthor(s)
Chang, J. J.Kaufman, J. S.
Halpern, C. T.