TY  - RPRT
TI  - Thymic selection.
AU  - D Pardoll
AU  - A Carrera
PY  - 1992
DO  - 10.1016/0952-7915(92)90006-z
UR  - https://pubmed.ncbi.nlm.nih.gov/1351393/
ID  - 1351393
ER  -