@article{doi:10.1001/archpediatrics.2011.1133,
author = {Slater SJ and Nicholson L and Chriqui J and Turner L and Chaloupka F},
title = {THe impact of state laws and district policies on physical education and recess practices in a nationally representative sample of us public elementary schools},
journal = {Archives of Pediatrics & Adolescent Medicine},
volume = {166},
number = {4},
pages = {311-316},
year = {2012},
doi = {10.1001/archpediatrics.2011.1133},
URL = { + http://dx.doi.org/10.1001/archpediatrics.2011.1133},
eprint = {/data/Journals/PEDS/23311/poa110042_311_316.pdf}
}