title: Subgroup-specific antigenic determinants of avian RNA tumor virls structural proteins: analysis of virus recombinants.
mesh_terms: D000956:Antigens, Viral; D001354:Avian Leukosis Virus / Q000276:immunology*; D001358:Avian Sarcoma Viruses / Q000276:immunology*; D000939:Epitopes; D005796:Genes; D008040:Genetic Linkage; D011863:Radioimmunoassay; D011995:Recombination, Genetic; D013045:Species Specificity; D014764:Viral Proteins / Q000276:immunology*
chemical_list: D000956:Antigens, Viral; D000939:Epitopes; D014764:Viral Proteins