title: [Persistence of influenza virus in cell cultures and the antigenic structure of the isolated viruses (facts and hypotheses)].
mesh_terms: D000956:Antigens, Viral; D002460:Cell Line; D009980:Influenza A virus / Q000276:immunology / Q000302:isolation & purification*; D013997:Time Factors
chemical_list: D000956:Antigens, Viral
vernacular_title: Persistentsiia virusa grippa v kletochnykh kul'turakh i antigennaia struktura vydeliaemykh virusov (fakty i gipotezy).