Melendez, L J <br/><br/>
Usefulness of three additional electrocardiographic chest leads (V7, V8, and V9) in the diagnosis of acute myocardial infarction.  [electronic resource] 

 -  Canadian Medical Association journal  Oct 1978 
 - 745-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0008-4409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acute Disease<br/>Clinical Enzyme Tests<br/>Coronary Care Units<br/>Electrocardiography--instrumentation<br/>Humans<br/>Middle Aged<br/>Myocardial Infarction--diagnosis<br/>Thorax