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Preventive Medicine Reports > 2017 > 5 > C > 124-126
Scandinavian Journal of Medicine & Science in Sports > 23 > 5 > 651 - 656
Journal of Public Health > 2006 > 14 > 2 > 66-70
Preventive Medicine Reports > 2017 > 5 > C > 124-126
Scandinavian Journal of Medicine & Science in Sports > 23 > 5 > 651 - 656
Journal of Public Health > 2006 > 14 > 2 > 66-70