PAPP, C <br/><br/>
The changing electrocardiogram in Wilson block.  [electronic resource] 

 -  Circulation  Jan 1955 
 - 53-68 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.11.1.53  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiovascular Diseases<br/>Electrocardiography<br/>Heart Block<br/>Humans