Konst, H <br/><br/>
Studies of Johne's Disease In Canada. II. Results of Early Intradermal Testing With Johnin P.P.D.  [electronic resource] 

 -  Canadian journal of comparative medicine and veterinary science  Jun 1958 
 - 203-14 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0316-5957