title: A DEFECTIVE CANCER VIRUS.
mesh_terms: D001358:Avian Sarcoma Viruses; D003673:Defective Viruses; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D009369:Neoplasms; D009858:Oncogenic Viruses; D012106:Research; D012107:Research Design; D052736:Rous sarcoma virus; D046509:Tissue Culture Techniques; D014776:Virus Cultivation
keywords: EXPERIMENTAL LAB STUDY; MICROSCOPY, ELECTRON; ONCOGENIC VIRUSES; ROUS SARCOMA VIRUS; TISSUE CULTURE; VIRUS CULTIVATION