title: Heteroduplex analysis of cloned rat endogenous replication-defective (30 S) retrovirus and Harvey murine sarcoma virus.
mesh_terms: D000818:Animals; D010582:Bacteriophage lambda / Q000235:genetics; D001483:Base Sequence; D003001:Cloning, Molecular; D003673:Defective Viruses / Q000235:genetics*; D004926:Escherichia coli / Q000235:genetics; D005813:Genes, Synthetic; D005814:Genes, Viral; D005822:Genetic Vectors; D009693:Nucleic Acid Hybridization; D010802:Phylogeny; D012328:RNA Viruses / Q000235:genetics*; D051381:Rats / Q000382:microbiology; D009053:Sarcoma Viruses, Murine / Q000235:genetics*