Hoffman, I <br/><br/>
Spatial vector analysis of the electrocardiogram.  [electronic resource] 

 -  Transactions of the Association of Life Insurance Medical Directors of America  1965 
 - 66-98 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0066-9598 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography<br/>Humans