title: PROGRESS IN TUMOUR VIRUS RESEARCH.
mesh_terms: D001358:Avian Sarcoma Viruses; D006224:Cricetinae; D051379:Mice; D009858:Oncogenic Viruses; D011120:Polyomavirus; D012106:Research; D052736:Rous sarcoma virus; D013539:Simian virus 40; D046509:Tissue Culture Techniques; D014776:Virus Cultivation
keywords: EXPERIMENTAL LAB STUDY; HAMSTERS; MICE; POLYOMA VIRUS; ROUS SARCOMA VIRUS; SV40 VIRUS; TISSUE CULTURE; VIRUS CULTIVATION