@inbook{57953835,
author={Steven J. Lester and Amr E. Abbas},
editor={Crawford, Michael H.},
title={Chapter 17. Aortic Stenosis},
booktitle={CURRENT Diagnosis & Treatment Cardiology, 4e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2014},
url={accesscardiology.mhmedical.com/content.aspx?aid=57953835}
}