Evaluation of a Computer-Tailored Physical Activity Intervention in Adolescents in Six European Countries: The Activ-O-Meter in the HELENA Intervention Study
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PII: S1054-139X(09)00595-3
doi:10.1016/j.jadohealth.2009.10.006
© 2010 Society for Adolescent Medicine. Published by Elsevier Inc. All rights reserved.
