TY  - RPRT
TI  - Evidence for thymic function in the elderly.
AU  - D C Douek
AU  - R A Koup
PY  - 2000
DO  - 10.1016/s0264-410x(99)00499-5
UR  - https://pubmed.ncbi.nlm.nih.gov/10689141/
ID  - 10689141
ER  -