Age-dependent incidence, time course, and consequences of thymic renewal in adults
J. Clin. Invest. Frances T. Hakim, et al. 115:930 doi:10.1172/JCI22492 [Go to this article.]

Figure 4
Effect of age on recovery of TREC-bearing CD4⁺ T cells. TREC frequency after approximately 2 years (21–24 months) is dependent on age at time of transplant.