CACERES, C A <br/><br/>
Formation of the P-R segment.  [electronic resource] 

 -  Circulation  Aug 1959 
 - 229-33 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-7322 
<br/><br/><label>Standard No.: </label>10.1161/01.cir.20.2.229  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiovascular Physiological Phenomena<br/>Electrocardiography