@inbook{1159984509,
author={Janet C. Jacobson and Shannon Connolly},
editor={Butler, Jennifer R. and Amin, Alpesh N. and Fitzmaurice, Laura E. and Kim, Christine M.},
title={First-Trimester Bleeding},
booktitle={OB/GYN Hospital Medicine: Principles and Practice},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2019},
url={obgyn.mhmedical.com/content.aspx?aid=1159984509}
}