title: Demonstration of active suppressor cells in spleens of young NZB mice.
mesh_terms: D000375:Aging; D000818:Animals; D002478:Cells, Cultured; D006462:Hemolytic Plaque Technique; D051379:Mice; D008810:Mice, Inbred C57BL; D008814:Mice, Inbred NZB; D013154:Spleen / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory; D013997:Time Factors