@article{doi:10.1001/archpedi.157.9.887,
author = {Evenson KR and Huston SL and McMillen BJ and Bors P and Ward DS},
title = {STatewide prevalence and correlates of walking and bicycling to school},
journal = {Archives of Pediatrics & Adolescent Medicine},
volume = {157},
number = {9},
pages = {887-892},
year = {2003},
doi = {10.1001/archpedi.157.9.887},
URL = { + http://dx.doi.org/10.1001/archpedi.157.9.887},
eprint = {/data/Journals/PEDS/11798/poa30033_887_892.pdf}
}