GARDBERG, M <br/><br/>
Electrocardiogram of the month.  [electronic resource] 

 -  Diseases of the chest  Jan 1959 
 - 99 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-0217 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiovascular Diseases<br/>Electrocardiography<br/>Heart Block--diagnosis<br/>Humans