Nielsen, K <br/><br/>
Relationship between QRS-duration (heart score) and racing performance in trotters.  [electronic resource] 

 -  Equine veterinary journal  Apr 1980 
 - 81-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0425-1644 
<br/><br/><label>Standard No.: </label>10.1111/j.2042-3306.1980.tb02315.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Animals<br/>Electrocardiography<br/>Heart Function Tests<br/>Horses--physiology<br/>Sex Factors<br/>Sports