@inbook{1100067106, author={Margarita M. Sotelo, MD and Michael W. Rich, MD and G. Michael Harper, MD}, editor={Williams, Brie A. and Chang, Anna and Ahalt, Cyrus and Chen, Helen and Conant, Rebecca and Landefeld, C. Seth and Ritchie, Christine and Yukawa, Michi}, title={Valvular Disease}, booktitle={Current Diagnosis & Treatment: Geriatrics, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2014}, url={accessmedicine.mhmedical.com/content.aspx?aid=1100067106} }