O'grady, M R <br/><br/>
Exercise in electrocardiography.  [electronic resource] 

 -  The Canadian veterinary journal = La revue veterinaire canadienne  Feb 1989 
 - 181-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0008-5286