title: Studies on subpopulations of theta-bearing lymphoid cells.
mesh_terms: D000367:Age Factors; D000818:Animals; D002470:Cell Survival / Q000187:drug effects; D007106:Immune Sera / Q000494:pharmacology; D007958:Leukocyte Count; D008198:Lymph Nodes / Q000166:cytology; D051379:Mice; D008809:Mice, Inbred C3H; D013154:Spleen / Q000166:cytology; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology / Q000502:physiology*; D014316:Tritium
chemical_list: D007106:Immune Sera; D014316:Tritium