Witham, Abner Calhoun, <br/><br/>
A system of vectorcardiographic interpretation  

 - Chicago   Year Book Medical Publishers  1975 
 - xii, 472 p.   ill.  
<br/><br/><label>ISBN: </label>0815193408 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vectorcardiography.<br/>Heart
<br/><br/><label>LC Class. No.: </label>RC683.5.V4  / W57