title: Ly phenotypes and MHC recognition: the allohelper that recognizes K or D is a mature Ly123 cell.
mesh_terms: D000818:Animals; D000961:Antilymphocyte Serum / Q000494:pharmacology; D001402:B-Lymphocytes / Q000276:immunology; D005455:Fluorescent Antibody Technique; D008285:Major Histocompatibility Complex; D051379:Mice; D008810:Mice, Inbred C57BL; D008811:Mice, Inbred DBA; D008937:Mitomycins / Q000494:pharmacology; D010641:Phenotype; D012756:Sheep; D013601:T-Lymphocytes / Q000145:classification / Q000276:immunology*; D013934:Thymectomy; D013997:Time Factors
chemical_list: D000961:Antilymphocyte Serum; D008937:Mitomycins