title: Subpopulations of Bu lymphocytes in the developing chick embryo.
mesh_terms: D000818:Animals; D000941:Antigens / Q000032:analysis; D001402:B-Lymphocytes / Q000276:immunology; D001853:Bone Marrow / Q000276:immunology; D002060:Bursa of Fabricius / Q000276:immunology / Q000601:surgery; D002642:Chick Embryo / Q000166:cytology / Q000276:immunology*; D013154:Spleen / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology
chemical_list: D000941:Antigens