title: Studies on the nature of influenza virus ribonucleic acid.
mesh_terms: D001483:Base Sequence; D006147:Guanine / Q000032:analysis; D009980:Influenza A virus / Q000032:analysis*; D012367:RNA, Viral / Q000032:analysis*
chemical_list: D012367:RNA, Viral; D006147:Guanine