title: Mouse plasmacytoma cells produce infectious type C viruses.
mesh_terms: D000818:Animals; D002460:Cell Line; D006825:Hybridomas / Q000382:microbiology; D051379:Mice; D010954:Plasmacytoma / Q000382:microbiology*; D012190:Retroviridae / Q000254:growth & development*; D014412:Tumor Virus Infections / Q000382:microbiology*