title: Identification and localization of avian leukosis group-specific antigen within "leukosis-free" chick embryos.
mesh_terms: D000818:Animals; D000941:Antigens / Q000302:isolation & purification*; D000956:Antigens, Viral / Q000302:isolation & purification; D001354:Avian Leukosis Virus / Q000276:immunology* / Q000302:isolation & purification; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000276:immunology; D002642:Chick Embryo / Q000276:immunology* / Q000382:microbiology; D003168:Complement Fixation Tests; D006224:Cricetinae / Q000276:immunology; D003593:Cytoplasm / Q000276:immunology; D005321:Extraembryonic Membranes / Q000276:immunology; D005856:Germ-Free Life; D007106:Immune Sera; D005779:Immunodiffusion; D007422:Intestines / Q000276:immunology; D008099:Liver / Q000276:immunology / Q000382:microbiology; D008854:Microscopy, Electron; D008861:Microsomes / Q000276:immunology; D008928:Mitochondria / Q000276:immunology; D010179:Pancreas / Q000382:microbiology; D011817:Rabbits / Q000276:immunology; D013154:Spleen / Q000276:immunology
chemical_list: D000941:Antigens; D000956:Antigens, Viral; D007106:Immune Sera