Electrocardiograms of the month.  [electronic resource] 

 -  New York state journal of medicine  Sep 1979 
 - 1567-8 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0028-7628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Electrocardiography<br/>Heart Block--diagnosis<br/>Humans<br/>Male