COX, H R <br/><br/>
Immunization of humans with a chick embryo adapted strain of MEF1 poliomyelitis virus.  [electronic resource] 

 -  Journal of immunology (Baltimore, Md. : 1950)  Aug 1956 
 - 123-31 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-1767 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Immunization<br/>Poliomyelitis--immunology<br/>Poliovirus<br/>Vaccination