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Objectively measured physical activity of USA adults by sex, age, and racial/ethnic groups: a cross-sectional study

Marquis S Hawkins*, Kristi L Storti, Caroline R Richardson, Wendy C King, Scott J Strath, Robert G Holleman and Andrea M Kriska

  • * Corresponding author: Marquis S Hawkins msh19@pitt.edu

  • † Equal contributors

International Journal of Behavioral Nutrition and Physical Activity 2009, 6:31 doi:10.1186/1479-5868-6-31

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