Research Paper Volume 8, Issue 5 pp 848—859
Aging of immune system: immune signature from peripheral blood lymphocyte subsets in 1068 healthy adults
Figure 1. Age related change of CD3+ cell (A), CD3+CD8+ (B), CD4+CD45RA+ cell (C), CD4+CD45RA+CD62L+ cell (D), CD4+CD28+ /CD4+ (E) and CD8+CD28+/CD8+ (F).