FRIEDMAN, S <br/><br/>
Occurrence of innocent adventitious cardiac sounds in childhood.  [electronic resource] 

 -  Pediatrics  Dec 1949 
 - 782-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-4005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart<br/>Heart Sounds<br/>Humans