1. Transesophageal Echocardiography in the Evaluation of Mediastinal Masses
2. 2. NC Nanda, and MJ. Domanski,Atlas of Transesophageal Echocardiography, 1stedition . Baltimore, MD: Williams and Wilkins, 1998 , pp. 463 .
3. 3. CD Clemente (ed).Gray's Anatomy of the Human Body, 30thedition . Baltimore, MD: Williams and Wilkins, 1985 , pp. 1446 .