Kessler, K M <br/><br/>
Aortic stenosis: the quest for a noninvasive gold standard.  [electronic resource] 

 -  Journal of the American College of Cardiology  Jun 1990 
 - 1585-6 p.  digital 
<br/><br/> Publication Type: Comment; Comparative Study; Editorial 
<br/><br/><label>ISSN: </label>0735-1097 
<br/><br/><label>Standard No.: </label>10.1016/0735-1097(90)92830-u  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aortic Valve Stenosis--diagnosis<br/>Cardiac Catheterization<br/>Echocardiography--trends<br/>Echocardiography, Doppler<br/>Humans<br/>Severity of Illness Index