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Effectiveness of interventions to promote physical activity in children and adolescents: systematic review of controlled trials
BMJ 2007; doi: https://doi.org/10.1136/bmj.39320.843947.BE (Published 20 September 2007) Cite this as: BMJ 2007;:bmj;bmj.39320.843947.BEv1This is a PDF-only article. The first page of the PDF of this article appears above.