title: Immunologic reactivity of chickens harboring Rous sarcoma.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D002004:Brucella Vaccine; D007114:Immunization; D011200:Poultry; D001357:Sarcoma, Avian / Q000276:immunology*; D014406:Tularemia / Q000276:immunology
chemical_list: D002004:Brucella Vaccine