Zera, E <br/><br/>
[Polish cardiology in the last 30 years].  [electronic resource] 

 -  Kardiologia polska  1974 
 - 297-310 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0022-9032 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiology--history<br/>Electrocardiography--history<br/>History, 20th Century<br/>Intensive Care Units--history<br/>Poland<br/>Vectorcardiography--history