title: Studies on influenza virus. I. Antigenic variation in influenza virus type C.
mesh_terms: D000650:Amnion; D000818:Animals; D000956:Antigens, Viral / Q000032:analysis* / Q000302:isolation & purification; D001604:Berlin; D002642:Chick Embryo; D002645:Chickens / Q000276:immunology; D003168:Complement Fixation Tests; D003429:Cross Reactions; D046508:Culture Techniques; D004912:Erythrocytes / Q000276:immunology; D005321:Extraembryonic Membranes; D014644:Genetic Variation; D006168:Guinea Pigs / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D007106:Immune Sera; D007114:Immunization; D007563:Jamaica; D009975:Orthomyxoviridae / Q000254:growth & development / Q000276:immunology*; D013997:Time Factors; D014776:Virus Cultivation
chemical_list: D000956:Antigens, Viral; D007106:Immune Sera