@misc{indiciae0015d5ee439a,
  title = {CD28 activation does not down-regulate Cbl-b expression in aged rat T-lymphocytes.},
  author = {Zhun Xu and Christy George and Christopher A Jolly},
  year = {2004},
  doi = {10.1016/j.mad.2004.06.007},
  url = {https://pubmed.ncbi.nlm.nih.gov/15491677/},
  note = {Source identifier: 15491677}
}