@inbook{1159974083, author={Jennifer R. Butler and Alpesh N. Amin and Laura E. Fitzmaurice and Christine M. Kim}, title={Editors}, 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=1159974083} }