title: "Nonproductive" mouse sarcoma virus transformed gorilla cells which contain noninfectious type C virus particles.
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D017988:Gammaretrovirus / Q000235:genetics; D005814:Genes, Viral; D006071:Gorilla gorilla; D006378:Helper Viruses; D012190:Retroviridae / Q000302:isolation & purification*; D009053:Sarcoma Viruses, Murine / Q000235:genetics; D013045:Species Specificity; D014779:Virus Replication