Popp, R L <br/><br/>
Ultrasonic diagnostic instruments.  [electronic resource] 

 -  Science (New York, N.Y.)  Oct 1980 
 - 268-73 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.7423186  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Auscultation--instrumentation<br/>Blood Flow Velocity<br/>Echocardiography--methods<br/>Heart Valve Diseases--diagnosis<br/>Humans<br/>Rheology<br/>Ultrasonics--instrumentation<br/>Ultrasonography