The relationship between physical activity and self-image and problem behaviour among adolescents.
| Autor: | Kirkcaldy, B. D., Shephard, R. J., Siefen, R. G. |
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| Zdroj: | Social Psychiatry & Psychiatric Epidemiology. Nov2002, Vol. 37 Issue 11, p544. 7p. |
| Databáze: | Academic Search Ultimate |
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