title: Biologically active RNA in inactivated Swine Flu concentrate.
mesh_terms: D000818:Animals; D009980:Influenza A virus / Q000032:analysis*; D007252:Influenza Vaccines / Q000032:analysis*; D012367:RNA, Viral / Q000032:analysis*
chemical_list: D007252:Influenza Vaccines; D012367:RNA, Viral