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Baltic Journal of Health and Physical Activity > 2011 > 3 > 4 > 237-247
Baltic Journal of Health and Physical Activity > 2011 > 3 > 4 > 237-247
Baltic Journal of Health and Physical Activity > 2011 > 3 > 4 > 237-247
Baltic Journal of Health and Physical Activity > 2011 > 3 > 4 > 237-247