@article{Frisbie2003,
author = {Frisbie, W.P. and Song, S.E.},
title= {Hispanic Pregnancy Outcomes: Differentials over Time and  Current Risk Factor Effects},
year = {2003},
doi = {10.1111/1541-0072.00013},
journal = {Policy Studies Journal},
volume = {31},
number = {2},
pages = {237--252},
}