@inbook{1000635178, author={John D. Wasnick and Zak Hillel and David Kramer and Sanford Littwin and Alina Nicoara}, title={}, booktitle={Cardiac Anesthesia and Transesophageal Echocardiography}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2011}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1000635178} }