Nielsen, R <br/><br/>
Seroepidemiology of Actinobacillus pleuropneumoniae.  [electronic resource] 

 -  The Canadian veterinary journal = La revue veterinaire canadienne  Jul 1988 
 - 580-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0008-5286