<style face="normal" font="default" size="100%">Effects of a school-based health intervention and crosssectional associations of schoolchildren’s academic performance, selective attention and health-related quality of life in Port Elizabeth, South Africa</style>

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2<style face="normal" font="default" size="100%">Effects of a school-based health intervention and crosssectional associations of schoolchildren’s academic performance, selective attention and health-related quality of life in Port Elizabeth, South Africa</style><style face="normal" font="default" size="100%">Effects of a school-based health intervention and crosssectional associations of schoolchildren’s academic performance, selective attention and health-related quality of life in Port Elizabeth, South Africa</style>