title: Immunologic reactivity to viral antigens in chickens infected with avian leukosis viruses.
mesh_terms: D000367:Age Factors; D000818:Animals; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D000918:Antibody Specificity; D000941:Antigens; D001353:Avian Leukosis / Q000151:congenital / Q000276:immunology*; D001354:Avian Leukosis Virus / Q000276:immunology*; D001358:Avian Sarcoma Viruses / Q000032:analysis / Q000276:immunology; D002642:Chick Embryo; D002645:Chickens; D046508:Culture Techniques; D007106:Immune Sera / Q000032:analysis; D007108:Immune Tolerance; D009975:Orthomyxoviridae / Q000276:immunology; D014762:Viral Interference
chemical_list: D000906:Antibodies; D000941:Antigens; D007106:Immune Sera