@article{Hwang2013,
author = {Hwang, M. and Shrestha, A. and Yazzie, S. and Jackson, M.L.},
title= {Preterm birth among American Indian/Alaskan natives in Washington and Montana: Comparison with non-Hispanic Whites},
year = {2013},
doi = {10.1007/s10995-012-1215-4},
volume = {17},
number = {10},
pages = {1908--1912},
}