@article{doi:10.1001/archpediatrics.2012.20,
author = {Dunton G and  McConnell R and Jerrett M and et al},
title = {ORganized physical activity in young school children and subsequent 4-year change in body mass index},
journal = {Archives of Pediatrics & Adolescent Medicine},
volume = {166},
number = {8},
pages = {713-718},
year = {2012},
doi = {10.1001/archpediatrics.2012.20},
URL = { + http://dx.doi.org/10.1001/archpediatrics.2012.20},
eprint = {/data/Journals/PEDS/24704/poa120003_713_718.pdf}
}