title: Long-term propagation of a murine erythroblastosis virus in vitro.
mesh_terms: D000782:Aneuploidy; D000818:Animals; D001681:Biological Assay; D002499:Centrifugation, Density Gradient; D005347:Fibroblasts; D009052:Leukemia Virus, Murine / Q000276:immunology*; D051379:Mice; D008854:Microscopy, Electron; D009368:Neoplasm Transplantation; D011863:Radioimmunoassay; D013154:Spleen; D013997:Time Factors; D014316:Tritium; D014529:Uridine / Q000378:metabolism; D014776:Virus Cultivation
chemical_list: D014316:Tritium; D014529:Uridine