title: Isolation of A2-Singapore-57 influenza virus V and S antigens by isoelectric focusing.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000302:isolation & purification*; D002645:Chickens; D003168:Complement Fixation Tests; D004912:Erythrocytes / Q000382:microbiology; D005019:Ethyl Ethers; D005069:Evaluation Studies as Topic; D006386:Hemagglutination Tests; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D009975:Orthomyxoviridae / Q000276:immunology* / Q000302:isolation & purification
chemical_list: D000956:Antigens, Viral; D005019:Ethyl Ethers