Barker, Joseph M. [from old catalog] <br/><br/>
The unipolar electrocardiogram, 

 - New York,  Appleton-Century-Crofts  [1952] 
 - 655 p.  illus.  26 cm. 
<br/><br/><label>LCCN: </label>52002373  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography.
<br/><br/><label>LC Class. No.: </label>RC683.5  / B3