AU  - Copeland KA, Sherman SN, Khoury JC, Foster KE, Saelens BE, Kalkwarf HJ
TI  - WIde variability in physical activity environments and weather-related outdoor play policies in child care centers within a single county of ohio
PT  - JOUR
DP  - 2011
TA  - Archives of Pediatrics & Adolescent Medicine
pages = {435-442},
VI  - 165
IP  - 5
AID  - 10.1001/archpediatrics.2010.267 [doi]
4100  - http://dx.doi.org/10.1001/archpediatrics.2010.267
SO  - Archives of Pediatrics & Adolescent Medicine May 1, 2011 165(5):435