RICHARDS, D W <br/><br/>
Relation between electrical and mechanical events of the cardiac cycle in normal and abnormal clinical states.  [electronic resource] 

 -  Transactions of the Association of American Physicians  1947 
 - 65-73 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0066-9458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity<br/>Heart--physiology<br/>Humans