title: Cell line derived from Balb-3T3 that is transformed by murine leukaemia virus: a focus assay for leukaemia virus.
mesh_terms: D000818:Animals; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D009052:Leukemia Virus, Murine / Q000254:growth & development*; D051379:Mice; D008854:Microscopy, Electron; D008979:Moloney murine leukemia virus / Q000254:growth & development; D012190:Retroviridae / Q000254:growth & development; D014776:Virus Cultivation