O'Rourke, R A <br/><br/>
Gallop rhythm.  [electronic resource] 

 -  The Journal of the Maine Medical Association  Nov 1971 
 - 276-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0025-0694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arrhythmias, Cardiac--diagnosis<br/>Heart Auscultation<br/>Humans