CALO, A <br/><br/>
Phonocardiographic study of an attack of sub-paroxysmal tachycardia.  [electronic resource] 

 -  Archives des maladies du coeur et des vaisseaux  Sep 1949 
 - 934-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-9683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arrhythmias, Cardiac<br/>Heart<br/>Humans