CRONVICH, J A <br/><br/>
Standardizing factors in electrocardiography.  [electronic resource] 

 -  Circulation  Jul 1950 
 - 111-21 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.2.1.111  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography<br/>Humans