title: Homologous and heterologous immunization against Rous sarcoma.
mesh_terms: D001355:Alpharetrovirus / Q000276:immunology; D000818:Animals; D000914:Antibodies, Viral; D000956:Antigens, Viral; D001358:Avian Sarcoma Viruses / Q000276:immunology*; D002471:Cell Transformation, Neoplastic; D002642:Chick Embryo; D002645:Chickens; D003168:Complement Fixation Tests; D003429:Cross Reactions; D046508:Culture Techniques; D007114:Immunization; D009500:Neutralization Tests
chemical_list: D000914:Antibodies, Viral; D000956:Antigens, Viral