@misc{indiciae3c7343b68306,
  title = {CTLA-4 upregulation during aging.},
  author = {Qibin Leng and Zvi Bentwich and Gadi Borkow},
  year = {2002},
  doi = {10.1016/s0047-6374(02)00077-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/12297345/},
  note = {Source identifier: 12297345}
}