title: Murine sarcoma virus defectiveness: serological detection of only helper virus reverse transcriptase in sarcoma virus rescued from nonmurine S + L-cells.
mesh_terms: D000818:Animals; D000956:Antigens, Viral; D002415:Cats; D002460:Cell Line; D003673:Defective Viruses / Q000254:growth & development*; D004285:Dogs; D000939:Epitopes; D017988:Gammaretrovirus / Q000254:growth & development*; D005796:Genes; D006378:Helper Viruses / Q000201:enzymology* / Q000254:growth & development / Q000276:immunology; D006801:Humans; D051379:Mice; D008907:Mink; D012194:RNA-Directed DNA Polymerase / Q000276:immunology / Q000378:metabolism*; D012190:Retroviridae / Q000201:enzymology* / Q000254:growth & development / Q000276:immunology; D009053:Sarcoma Viruses, Murine / Q000254:growth & development*; D014779:Virus Replication
chemical_list: D000956:Antigens, Viral; D000939:Epitopes; D012194:RNA-Directed DNA Polymerase