@misc{indiciae3be2cdd58e26,
  title = {CTLA-4 and T cell activation.},
  author = {M A Oosterwegel and R J Greenwald and D A Mandelbrot and R B Lorsbach and A H Sharpe},
  year = {1999},
  doi = {10.1016/s0952-7915(99)80047-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/10375557/},
  note = {Source identifier: 10375557}
}