1. Transesophageal Echocardiography
BIJOY K. KHANDHERIA, M.D., JAMES B. SEWARD, M.D., A. JAMIL TAJIK, M.D. 
Mayo Clinic Proceedings 
Volume 69, Issue 9, Pages (September 1994)
DOI: /S (12)
Copyright © 1994 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 2
Graph showing utilization trends for transesophageal echocardiography (TEE) as a percentage of transthoracic echocardiography (TTE) at the Mayo Clinic. Note that percentage ranged from 5 to 6% during 1990 through TEE technology was introduced into our practice in 1988.
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1994 Mayo Foundation for Medical Education and Research Terms and Conditions