SMITH, J E <br/><br/>
Calibrated instrumentation of the ballistocardiograph.  [electronic resource] 

 -  Transactions. American College of Cardiology  1952 
 - 189 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ballistocardiography<br/>Calibration