BIXBY, E W <br/><br/>
A method of securing the direct body ballistocardiogram by means of a microscope, giving a record readily calibrated.  [electronic resource] 

 -  Circulation  Oct 1953 
 - 579-84 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-7322 
<br/><br/><label>Standard No.: </label>10.1161/01.cir.8.4.578  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ballistocardiography<br/>Calibration<br/>Microscopy