title: The effect of formaldehyde treatment of influenza virus on the assay of its haemagglutinin antigen content by the single-radial-immunodiffusion (SRD) technique.
mesh_terms: D005557:Formaldehyde / Q000494:pharmacology*; D006389:Hemagglutinins, Viral / Q000032:analysis*; D005779:Immunodiffusion; D009980:Influenza A virus / Q000187:drug effects* / Q000276:immunology; D007850:Lauric Acids / Q000494:pharmacology; D012521:Sarcosine / Q000031:analogs & derivatives / Q000494:pharmacology; D013501:Surface-Active Agents / Q000494:pharmacology; D013696:Temperature
chemical_list: D006389:Hemagglutinins, Viral; D007850:Lauric Acids; D013501:Surface-Active Agents; D005557:Formaldehyde; D012521:Sarcosine