title: Studies on the nature and genetic control of an antigen in normal chick embryos which reacts in the COFAL test.
mesh_terms: D001355:Alpharetrovirus / Q000276:immunology; D000818:Animals; D000941:Antigens / Q000032:analysis*; D001353:Avian Leukosis / Q000276:immunology*; D001354:Avian Leukosis Virus / Q000276:immunology; D001358:Avian Sarcoma Viruses / Q000276:immunology; D002642:Chick Embryo / Q000276:immunology*; D003168:Complement Fixation Tests; D046508:Culture Techniques; D005799:Genes, Dominant; D006824:Hybridization, Genetic
chemical_list: D000941:Antigens