title: Characterization of recent influenza A variants. I. Biochemical studies.
mesh_terms: D000818:Animals; D000941:Antigens; D001208:Asia; D002642:Chick Embryo; D004229:Dithiothreitol / Q000494:pharmacology; D004739:England; D005827:Genetics, Microbial; D006386:Hemagglutination Tests; D006389:Hemagglutinins, Viral / Q000032:analysis; D006723:Hong Kong; D006358:Hot Temperature; D007125:Immunogenetics; D009439:Neuraminidase / Q000378:metabolism; D009975:Orthomyxoviridae / Q000145:classification / Q000201:enzymology / Q000276:immunology*; D011402:Pronase / Q000494:pharmacology; D014776:Virus Cultivation
chemical_list: D000941:Antigens; D006389:Hemagglutinins, Viral; D009439:Neuraminidase; D011402:Pronase; D004229:Dithiothreitol