@article{Buka2003,
author = {Buka, S.L. and Brennan, R.T. and Rich-Edwards, J.W. and Raudenbush, S.W. and Earls, F.},
title= {Neighborhood support and the birth weight of urban infants},
year = {2003},
doi = {10.1093/aje/kwf170},
journal = {American Journal of Epidemiology},
volume = {157},
number = {1},
pages = {1--8},
}