SCHWARTZ, G <br/><br/>
Heart block.  [electronic resource] 

 -  Medical record (Reading, Pa.)  Mar 1949 
 - 11-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiovascular Diseases<br/>Heart Block<br/>Humans