title: Lymphocytes: the Third World.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000943:Antigens, Differentiation / Q000032:analysis; D015321:Gene Rearrangement; D006801:Humans; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000145:classification* / Q000276:immunology; D051379:Mice
chemical_list: D000943:Antigens, Differentiation