Suppressor cell function in man: evidence for altered sensitivity of responder cells with age.
D000328:Adult; D000368:Aged; D000375:Aging; D002460:Cell Line; D002478:Cells, Cultured; D006801:Humans; D007739:L Cells; D008213:Lymphocyte Activation; D008875:Middle Aged; D013601:T-Lymphocytes / Q000502:physiology*