@article{Cheng2014,
author = {Cheng, E.R. and Poehlmann, J. and Mullahy, J. and Witt, W.P.},
title= {Cumulative social risk exposure, infant birthweight, and cognitive delay in infancy},
year = {2014},
doi = {10.1016/j.acap.2014.03.014},
volume = {14},
number = {6},
pages = {581--588},
}