HAMMON, W M <br/><br/>
Possible protective effect of previous type 2 infection against paralytic poliomyelitis due to type 1 virus.  [electronic resource] 

 -  American journal of hygiene  Nov 1957 
 - 274-80 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-5294 
<br/><br/><label>Standard No.: </label>10.1093/oxfordjournals.aje.a119900  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Poliomyelitis--immunology