Lemberg, L <br/><br/>
Demand and bifocal demand pacing.  [electronic resource] 

 -  Singapore medical journal  Sep 1973 
 - 222 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0037-5675 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arrhythmias, Cardiac--surgery<br/>Humans<br/>Pacemaker, Artificial