@article{Xie_2015,
title={Preconception Nutrition,
Physical Activity,
and Birth Outcomes in Adolescent Girls},
volume={28},
ISSN={1083-3188},
url={http://dx.doi.org/10.1016/j.jpag.2015.01.004},
DOI={10.1016/j.jpag.2015.01.004},
number={6},
journal={Journal of Pediatric and Adolescent Gynecology},
publisher={Elsevier BV},
author={Xie,
Yiqiong and Madkour,
Aubrey Spriggs and Harville,
Emily Wheeler},
year={2015},
month=dec,
pages={471–476} }