DOI:
10.1055/s-00000028
International Journal of Sports Medicine
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References
Aaron DJ, Kriska AM, Dearwater SR, Cauley JA, Metz KF, LaPorte RE.
Reproducibility and validity of an epidemiologic questionnaire to assess past year physical activity in adolescents.
Am J Epidemiol 1995;
142: 191-201
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