TY  - RPRT
TI  - Down-regulation of CD28 expression by TNF-alpha.
AU  - E Bryl
AU  - A N Vallejo
AU  - C M Weyand
AU  - J J Goronzy
PY  - 2001
DO  - 10.4049/jimmunol.167.6.3231
UR  - https://pubmed.ncbi.nlm.nih.gov/11544310/
ID  - 11544310
ER  -