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International Journal of Behavioral Nutrition and Physical Activity
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Validity and repeatability of the EPIC physical activity questionnaire: a validation study using accelerometers as an objective measure

Anne E Cust*, Ben J Smith, Josephine Chau, Hidde P van der Ploeg, Christine M Friedenreich, Bruce K Armstrong and Adrian Bauman

International Journal of Behavioral Nutrition and Physical Activity 2008, 5:33 doi:10.1186/1479-5868-5-33

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