TY - GEN AU - Zhukova,T Y AU - Guskin,Y A AU - Edvoseyeva,I A AU - Golubev,D B TI - Heterogeneity of A/Singapore/1/57 (H2N2) influenza virus SN - 0001-723X PY - 1975///1229 KW - Centrifugation, Density Gradient KW - Centrifugation, Zonal KW - Influenza A Virus, H2N2 Subtype KW - Influenza A virus KW - analysis KW - Orthomyxoviridae N1 - Publication Type: Journal Article ER -