Laverman, E <br/><br/>
Recording of the ultra-low frequency ballistocardiogram with a computer of average transients.  [electronic resource] 

 -  Bibliotheca cardiologica  1968 
 - 80-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0067-7906 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ballistocardiography<br/>Computers<br/>Respiration--physiology<br/>Vibration