title: Expression of the defective "S plus L-" type murine sarcoma virus genome in human amnion and lung cells.
mesh_terms: D000650:Amnion / Q000382:microbiology*; D000956:Antigens, Viral; D002471:Cell Transformation, Neoplastic; D002999:Clone Cells / Q000201:enzymology / Q000382:microbiology*; D003857:Deoxyuridine / Q000494:pharmacology; D017988:Gammaretrovirus / Q000254:growth & development*; D005838:Genotype; D006378:Helper Viruses; D006801:Humans; D008168:Lung / Q000382:microbiology*; D008854:Microscopy, Electron; D012194:RNA-Directed DNA Polymerase / Q000378:metabolism; D012190:Retroviridae / Q000302:isolation & purification; D012509:Sarcoma / Q000382:microbiology*; D014776:Virus Cultivation; D014779:Virus Replication
chemical_list: D000956:Antigens, Viral; D012194:RNA-Directed DNA Polymerase; D003857:Deoxyuridine