Clinical applications of dynamic electrocardiography :  the frequency of ventricular tachyarrhythmias and ventricular premature beats in asymptomatic patients / 
Harold L. Karpman...[et al.] 
 - iii, 23 pages ;  28 cm. 
 - The Rand paper series;  P-4619 .
 - The Rand paper series;  P-4619 .
<br/><br/>Includes bibliographical references: pages 10-15 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography.