title: The ontogeny of bursa- and thymus-specific cell surface antigens in the chicken.
mesh_terms: D000818:Animals; D000941:Antigens; D000961:Antilymphocyte Serum; D001402:B-Lymphocytes / Q000276:immunology*; D002060:Bursa of Fabricius / Q000196:embryology / Q000276:immunology; D002462:Cell Membrane / Q000276:immunology; D002642:Chick Embryo / Q000276:immunology*; D000939:Epitopes; D011947:Receptors, Antigen, B-Cell; D013154:Spleen / Q000196:embryology / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D013950:Thymus Gland / Q000196:embryology / Q000276:immunology
chemical_list: D000941:Antigens; D000961:Antilymphocyte Serum; D000939:Epitopes; D011947:Receptors, Antigen, B-Cell