@misc{indiciae0101e84fa63d,
  title = {Down-regulation of CD28 expression by TNF-alpha.},
  author = {E Bryl and A N Vallejo and C M Weyand and J J Goronzy},
  year = {2001},
  doi = {10.4049/jimmunol.167.6.3231},
  url = {https://pubmed.ncbi.nlm.nih.gov/11544310/},
  note = {Source identifier: 11544310}
}