@inbook{55920224, author={Bobby Yanagawa and George T. Christakis}, editor={Cohn, Lawrence H.}, title={Chapter 33. Bioprosthetic Aortic Valve Replacement: Stented Pericardial and Porcine Valves}, booktitle={Cardiac Surgery in the Adult, 4e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accesssurgery.mhmedical.com/content.aspx?aid=55920224} }