title: Interfering particles from a culture persistently infected with Parana virus.
mesh_terms: D000818:Animals; D002460:Cell Line; D006224:Cricetinae; D003673:Defective Viruses; D006482:Hemorrhagic Fevers, Viral / Q000382:microbiology*; D007668:Kidney; D008217:Lymphocytic choriomeningitis virus; D012328:RNA Viruses; D014721:Vesicular stomatitis Indiana virus; D014762:Viral Interference