@inbook{1195099746, author={Joseph P. Mathew and Alina Nicoara and Chakib M. Ayoub and Madhav Swaminathan}, title={Preface}, booktitle={Clinical Manual and Review of Transesophageal Echocardiography, 3e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1195099746} }