@misc{indiciae0e7efd1a723d,
  title = {Thymocyte development is normal in CTLA-4-deficient mice.},
  author = {C A Chambers and D Cado and T Truong and J P Allison},
  year = {1997},
  doi = {10.1073/pnas.94.17.9296},
  url = {https://pubmed.ncbi.nlm.nih.gov/9256476/},
  note = {Source identifier: 9256476}
}