@inbook{1159956137, author={Jennifer Duffy and Afshan B. Hameed}, editor={DeCherney, Alan H. and Nathan, Lauren and Laufer, Neri and Roman, Ashley S.}, title={Cardiac Disorders in Pregnancy}, booktitle={CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 12e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accessmedicine.mhmedical.com/content.aspx?aid=1159956137} }