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RT - The influence of the macro-environment on physical activity: a multilevel analysis of 38 countries worldwide http://t.co/aMzK30uaMo
RT - The influence of the macro-environment on physical activity: a multilevel analysis of 38 countries worldwide http://t.co/aMzK30uaMo
Research: The influence of the macro-environment on physical activity: a multi-level analysis of 38 countries worldwide http://t.co/Pk3kGQN5