@inbook{1136875876, author={CECILY A. CLARK-GANHEART and ELIZABETH M. COVIELLO}, editor={McElroy, Lisa M. and Webb, Travis P.}, title={Obstetrics and Gynecology}, booktitle={Surgery Review Illustrated, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={accesssurgery.mhmedical.com/content.aspx?aid=1136875876} }