title: Evidence for helper independent murine sarcoma virus. I. Segregation of replication-defective and transformation-defective viruses.
mesh_terms: D000818:Animals; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D002999:Clone Cells; D003588:Cytopathogenic Effect, Viral; D003673:Defective Viruses / Q000254:growth & development; D017988:Gammaretrovirus / Q000254:growth & development* / Q000302:isolation & purification; D007668:Kidney; D007942:Leukemia, Experimental; D051379:Mice; D008979:Moloney murine leukemia virus / Q000254:growth & development / Q000302:isolation & purification; D051381:Rats; D014316:Tritium; D014529:Uridine; D010948:Viral Plaque Assay; D014776:Virus Cultivation; D014779:Virus Replication
chemical_list: D014316:Tritium; D014529:Uridine