%0 Journal Article %T Compliance With National Guidelines for Physical Activity in U.S. Preschoolers: Measurement and Interpretation %A Beets, Michael W. %A Bornstein, Daniel %A Dowda, Marsha %A Pate, Russell R. %A , %J Pediatrics %@ 0031-4005 %D 2011-04-01 %I American Academy of Pediatrics (AAP) %~ DeepDyve