title: Cellular basis for immunologic memory.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D007111:Immunity, Cellular; D007114:Immunization; D008198:Lymph Nodes / Q000166:cytology* / Q000276:immunology; D051379:Mice; D008938:Mitosis; D013154:Spleen / Q000166:cytology* / Q000276:immunology; D013936:Thymidine / Q000378:metabolism; D013950:Thymus Gland / Q000166:cytology* / Q000276:immunology; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine