@inbook{56965586,
author={Shobha H. Mehta, MD and Robert J. Sokol, MD},
editor={DeCherney, Alan H. and Nathan, Lauren and Laufer, Neri and Roman, Ashley S.},
title={Chapter 12. Assessment of At-Risk Pregnancy},
booktitle={CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 11e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2013},
url={accessmedicine.mhmedical.com/content.aspx?aid=56965586}
}