title: Mammary tumor virus (MTV) virions in a transplantable ependymoblastoam.
mesh_terms: D000818:Animals; D004806:Ependymoma / Q000139:chemically induced / Q000382:microbiology; D005455:Fluorescent Antibody Technique; D005779:Immunodiffusion; D008325:Mammary Neoplasms, Experimental / Q000382:microbiology; D008324:Mammary Tumor Virus, Mouse / Q000302:isolation & purification* / Q000472:pathogenicity; D051379:Mice; D008854:Microscopy, Electron; D014776:Virus Cultivation