title: Experimental selection of influenza virus mutants (subtype A0 and A1): haemagglutinin.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral / Q000032:analysis*; D007106:Immune Sera; D008722:Methods; D009154:Mutation; D009975:Orthomyxoviridae / Q000276:immunology* / Q000302:isolation & purification / Q000472:pathogenicity; D011817:Rabbits / Q000276:immunology; D012641:Selection, Genetic; D012703:Serotyping
chemical_list: D006389:Hemagglutinins, Viral; D007106:Immune Sera