We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEffect of school-based interventions on physical activity and fitness in children and adolescents: a review of reviews and systematic updateAuthorsKriemler, S.; Meyer, U.; Martin, E.; van Sluijs, E. M. F.; Andersen, L. B.; Martin, B. W.PublicationBritish Journal of Sports Medicine, 2011, Vol 45, Issue 11, p923ISSN0306-3674Publication typearticleDOI10.1136/bjsports-2011-090186