@inbook{1106376988,
author={Lawrence Oppenheimer},
editor={Posner, Glenn D. and Dy, Jessica and Black, Amanda and Jones, Griffith D.},
title={Delivery of the Placenta, Retained Placenta, and Placenta Accreta},
booktitle={Oxorn-Foote Human Labor & Birth, 6e},
publisher={McGraw-Hill Medical},
address={New York, NY},
year={2015},
url={obgyn.mhmedical.com/content.aspx?aid=1106376988}
}