Zhukova, T Y <br/><br/>
Heterogeneity of A/Singapore/1/57 (H2N2) influenza virus.  [electronic resource] 

 -  Acta virologica  Jul 1975 
 - 281-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0001-723X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Centrifugation, Density Gradient<br/>Centrifugation, Zonal<br/>Influenza A Virus, H2N2 Subtype<br/>Influenza A virus--analysis<br/>Orthomyxoviridae--analysis