CJO - Abstract - Validity and repeatability of a simple index derived from the short physical activity questionnaire used in the European Prospective Investigation into Cancer and Nutrition (EPIC) study

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Public Health Nutrition (2003), 6 : 407-413 Cambridge University Press
doi:10.1079/PHN2002439 (About doi)
Published online by Cambridge University Press 02 Jan 2007
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Cambridge University Press