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What physical activity surveillance needs: validity of a single-item questionnaire
Wanner, M., Probst-Hensch, N., Kriemler, S., Meier, F., Bauman, A., Martin, B. W.Volume:
48
Langue:
english
Journal:
British Journal of Sports Medicine
DOI:
10.1136/bjsports-2012-092122
Date:
November, 2014
Fichier:
PDF, 247 KB
english, 2014