Atherton, J <br/><br/>
An instantaneous heart-rate meter with digital display.  [electronic resource] 

 -  Medical & biological engineering  Sep 1975 
 - 669-73 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0025-696X 
<br/><br/><label>Standard No.: </label>10.1007/BF02477324  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiology--instrumentation<br/>Electronics, Medical<br/>Heart Function Tests--instrumentation<br/>Heart Rate<br/>Humans