Grasset, E <br/><br/>
Typhoid Endotoxoid Vaccine.  [electronic resource] 

 -  British medical journal  Jul 1939 
 - 58-61 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-1447 
<br/><br/><label>Standard No.: </label>10.1136/bmj.2.4096.58  doi