@article{Ding2011,
author = {Ding, D. and Sallis, J.F. and Kerr, J. and Lee, S. and Rosenberg, D.E.},
title= {Neighborhood environment and physical activity among youth: A review},
year = {2011},
doi = {10.1016/j.amepre.2011.06.036},
journal = {American Journal of Preventive Medicine},
volume = {41},
number = {4},
pages = {442--455},
}