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Field validation of secondary data sources: a novel measure of representativity applied to a Canadian food outlet database.

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اقرأ على الانترنت اقرأ أكثر حفظ في قائمتي
  • المؤلفون: Clary, Christelle M.1,2 (AUTHOR) ; Kestens, Yan1,2 (AUTHOR)
  • المصدر:
    International Journal of Behavioral Nutrition & Physical Activity. 2013, Vol. 10, p77-85. 9p. 3 Charts.