title: Differential effect of guanidine hydrochloride and heat on the haemagglutinin and neuraminidase of influenza viruses.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D006146:Guanidines / Q000494:pharmacology*; D006386:Hemagglutination Tests; D006389:Hemagglutinins, Viral; D006358:Hot Temperature; D006851:Hydrochloric Acid; D008433:Mathematics; D009439:Neuraminidase / Q000378:metabolism*; D009975:Orthomyxoviridae / Q000187:drug effects* / Q000201:enzymology / Q000276:immunology / Q000302:isolation & purification; D014776:Virus Cultivation
chemical_list: D006146:Guanidines; D006389:Hemagglutinins, Viral; D009439:Neuraminidase; D006851:Hydrochloric Acid