title: Early appearance of antigen-binding cells to two different antigens during fetal lymphoid development.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D000941:Antigens; D001402:B-Lymphocytes / Q000276:immunology; D001666:Binding Sites, Antibody; D002060:Bursa of Fabricius / Q000187:drug effects / Q000276:immunology; D002645:Chickens / Q000276:immunology; D003520:Cyclophosphamide / Q000494:pharmacology; D005333:Fetus; D005696:Galactosidases; D005856:Germ-Free Life; D007106:Immune Sera; D007128:Immunoglobulin Fragments; D051379:Mice / Q000276:immunology; D010544:Peroxidases; D011817:Rabbits / Q000276:immunology; D013552:Swine / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D013739:Testosterone / Q000494:pharmacology; D013950:Thymus Gland / Q000276:immunology; D013997:Time Factors
chemical_list: D000941:Antigens; D007106:Immune Sera; D007128:Immunoglobulin Fragments; D013739:Testosterone; D003520:Cyclophosphamide; D010544:Peroxidases; D005696:Galactosidases