@inbook{55913422, author={Maurice Enriquez-Sarano and Vuyisile T. Nkomo and Hector I. Michelena}, editor={Cohn, Lawrence H.}, title={Chapter 11. Echocardiography in Cardiac Surgery}, 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=55913422} }