1. Bedeutung der transösophagealen echokardiographie in der diagnostik kardialer und parakardialer raumfordernder prozesse;Nellessen;Z Kardiol,1986
2. Cardiac tumors and thrombus: transesophageal echocardiographic experience;Seward,1989
3. Bilateral atrial myxomas detected by transesophageal two-dimensional echocardiography;Dittmann;Am Heart J,1989
4. Comparison of transthoracic and transesophageal echocardiography in diagnosis of left atrial myxoma;Obeid;Am J Cardiol,1989
5. Comparative yield of trans-esophageal and trans-thoracic echocardiography in patients presenting with stroke or TIA [Abstract];Pearson;Circulation,1989