title: Studies on group-specific antigens in tumours induced with avian tumour viruses in rats.
mesh_terms: D001355:Alpharetrovirus / Q000472:pathogenicity*; D000818:Animals; D000941:Antigens / Q000032:analysis*; D002645:Chickens; D003168:Complement Fixation Tests; D004372:Ducks; D009374:Neoplasms, Experimental / Q000276:immunology* / Q000382:microbiology; D051381:Rats
chemical_list: D000941:Antigens