MURPHY, J M <br/><br/>
The swab exposure of cows to Streptococcus agalactiae while protected from infection by means of penicillin.  [electronic resource] 

 -  The Cornell veterinarian  Jul 1954 
 - 349-55 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0010-8901 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cattle<br/>Cattle Diseases<br/>Female<br/>Penicillins--pharmacology<br/>Streptococcal Infections<br/>Streptococcus agalactiae