title: Agglutinating antibodies in the sera of chickens with regressing Rous sarcomas.
mesh_terms: D000371:Agglutination; D000818:Animals; D000906:Antibodies; D002645:Chickens; D007106:Immune Sera / Q000494:pharmacology; D009365:Neoplasm Regression, Spontaneous / Q000276:immunology*; D001357:Sarcoma, Avian / Q000276:immunology*
chemical_list: D000906:Antibodies; D007106:Immune Sera