title: Further observations on the ultrastructure of ephemeral fever virus.
mesh_terms: D000818:Animals; D002417:Cattle; D004810:Ephemeral Fever / Q000382:microbiology*; D008854:Microscopy, Electron; D012367:RNA, Viral / Q000032:analysis; D014713:Viruses, Unclassified
chemical_list: D012367:RNA, Viral