Sanz Ibaņez, J <br/><br/>
[Variations of the minimum mortal dose and lethal dose 50 of "Columbia SK" (New Haven) poliomyelitis virus in the rat during the 12 months of the year and the 4 seasons].  [electronic resource] 

 -  La Medicina tropical   
 - 306-11 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0025-7958 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Encephalomyocarditis virus<br/>Poliovirus<br/>Rats<br/>Seasons<br/>Virulence