1
von Jones Petranek, Laura (Autor),
Erschienen in Research quarterly for exercise and sport, 82 (2011), 2, S. 220-228, Lit.
“... is presented here. Comparisons were made between these athletes and teens of similar age in the United States...”Erschienen in Research quarterly for exercise and sport, 82 (2011), 2, S. 220-228, Lit.
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2
“... undertaken in Canada and in the United States of America (USA), and one study was conducted in Spain. Most...”
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