Policies and Characteristics of the Preschool Environment and Physical Activity of Young Children
Pediatrics, Volume 123, Issue 2, 2009, pages e261-e266.
Dowda, M., Brown, W. H., McIver, K. L., Pfeiffer, K. A., O'Neill, J. R., Addy, C. L., & Pate, R. R. (2009). Policies and characteristics of the preschool environment and physical activity of young children. Pediatrics, 123(2), e261-e266.
© Pediatrics, 2009, American Academy of Pediatrics