title: Variations in the haemagglutinin content of crude mouse brain antigens containing louping ill virus.
mesh_terms: D000818:Animals; D000906:Antibodies; D000941:Antigens / Q000032:analysis*; D000956:Antigens, Viral / Q000032:analysis; D001921:Brain / Q000276:immunology*; D003168:Complement Fixation Tests; D004669:Encephalitis Viruses, Tick-Borne / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006387:Hemagglutination, Viral; D007106:Immune Sera; D008146:Louping Ill / Q000175:diagnosis / Q000276:immunology*; D051379:Mice; D012756:Sheep
chemical_list: D000906:Antibodies; D000941:Antigens; D000956:Antigens, Viral; D007106:Immune Sera