Natural H-2-specific antibodies in sera of aged mice.
D000375:Aging; D000818:Animals; D006183:H-2 Antigens / Q000276:immunology*; D007518:Isoantibodies / Q000032:analysis*; D051379:Mice; D008810:Mice, Inbred C57BL
D006183:H-2 Antigens; D007518:Isoantibodies