title: Electrophoretic separation and electron microscopy of influenza A2 virus components.
mesh_terms: D000941:Antigens / Q000032:analysis*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004586:Electrophoresis; D006389:Hemagglutinins, Viral / Q000032:analysis; D008854:Microscopy, Electron; D009975:Orthomyxoviridae / Q000032:analysis*
chemical_list: D000941:Antigens; D006389:Hemagglutinins, Viral