TY - GEN AU - Golubev,D B TI - [The origin of pandemic strains of the influenza A virus] SN - 0507-4088 PY - 1992///1209 KW - Antigenic Variation KW - Antigens, Viral KW - genetics KW - Disease Outbreaks KW - Genome, Viral KW - Humans KW - Influenza A virus KW - classification KW - Influenza, Human KW - microbiology KW - Reassortant Viruses KW - Recombination, Genetic N1 - Publication Type: Comparative Study; Journal Article; Review ER -