title: [Germinal center and antigens].
mesh_terms: D000906:Antibodies; D000941:Antigens / Q000032:analysis*; D001345:Autoradiography; D007279:Injections, Subcutaneous; D008198:Lymph Nodes / Q000032:analysis / Q000276:immunology*; D008854:Microscopy, Electron; D012711:Serum Albumin, Radio-Iodinated; D013154:Spleen / Q000032:analysis
chemical_list: D000906:Antibodies; D000941:Antigens; D012711:Serum Albumin, Radio-Iodinated