PATHOGENICITY OF VIRUS B77 IN RATS.
D000818:Animals; D001358:Avian Sarcoma Viruses; D003560:Cysts; D006470:Hemorrhage; D008748:Methylcholanthrene; D009369:Neoplasms / Q000276:immunology*; D010336:Pathology; D011200:Poultry; D051381:Rats; D012106:Research; D052736:Rous sarcoma virus; D001357:Sarcoma, Avian; D014774:Virulence
D008748:Methylcholanthrene
CYSTS; EXPERIMENTAL LAB STUDY; HEMORRHAGE; METHYLCHOLANTHRENE; NEOPLASM IMMUNOLOGY; PATHOLOGY; POULTRY; RATS; ROUS SARCOMA; ROUS SARCOMA VIRUS