TY  - RPRT
TI  - Antigen-driven T cell expansion: affinity rules.
AU  - Jonathan D Ashwell
PY  - 2004
DO  - 10.1016/j.immuni.2004.11.001
UR  - https://pubmed.ncbi.nlm.nih.gov/15539146/
ID  - 15539146
ER  -