title: The take-home lesson--1971.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000937:Antigen-Antibody Reactions; D005075:Biological Evolution; D003165:Complement System Proteins; D000939:Epitopes; D005796:Genes; D014644:Genetic Variation; D006636:Histamine Release; D006648:Histocompatibility; D007108:Immune Tolerance; D007125:Immunogenetics; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D008815:Mice, Inbred Strains / Q000276:immunology; D008954:Models, Biological; D011995:Recombination, Genetic; D012641:Selection, Genetic; D013950:Thymus Gland / Q000276:immunology
chemical_list: D000939:Epitopes; D003165:Complement System Proteins