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Measuring physical activity-related environmental factors: reliability and predictive validity of the European environmental questionnaire ALPHA

By Heleen Spittaels, Maïté Verloigne, Christopher Gidlow, Julien Gloanec, Sylvia Titze, Charlie Foster, Jean-Michel Oppert, Harry Rutter, Pekka Oja, Michael Sjöström and Ilse De Bourdeaudhuij
Topics: Research
Publisher: BioMed Central
OAI identifier: oai:pubmedcentral.nih.gov:2892430
Provided by: PubMed Central

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