title: Electron microscopic studies on the organ distribution of GRAFFI leukemia virus in leukemic and preleukemic mice.
mesh_terms: D000818:Animals; D001853:Bone Marrow / Q000382:microbiology; D009052:Leukemia Virus, Murine / Q000302:isolation & purification*; D007942:Leukemia, Experimental / Q000382:microbiology*; D008099:Liver / Q000382:microbiology; D008533:Megakaryocytes / Q000382:microbiology; D051379:Mice; D008854:Microscopy, Electron; D013154:Spleen / Q000382:microbiology; D013950:Thymus Gland / Q000382:microbiology