title: [Fractionation of influenza A virus by DEAE-sephadex-A-50 chromatography].
mesh_terms: D002845:Chromatography; D003911:Dextrans; D009975:Orthomyxoviridae / Q000302:isolation & purification*
chemical_list: D003911:Dextrans
vernacular_title: Fraktsiiuvannia virusu hrypu typu A khromatohrafiieiu na DEAE-sefadeksi-A-50.