Williams, R S <br/><br/>
The Frequency of the Appearance of Tubercle Bacilli in the Faeces of three apparently healthy Cows.  [electronic resource] 

 -  The Journal of hygiene  Aug 1928 
 - 89-91 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-1724 
<br/><br/><label>Standard No.: </label>10.1017/s0022172400009426  doi