Difranco, E <br/><br/>
Enzootic pneumonia in feeder pigs: Observations on causal factors.  [electronic resource] 

 -  The Canadian veterinary journal = La revue veterinaire canadienne  Mar 1989 
 - 241-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0008-5286