@inbook{56967167, author={Sarah A. Wagner, MD}, editor={DeCherney, Alan H. and Nathan, Lauren and Laufer, Neri and Roman, Ashley S.}, title={Chapter 18. Third-Trimester Vaginal Bleeding}, booktitle={CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 11e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={obgyn.mhmedical.com/content.aspx?aid=56967167} }