@misc{indiciae796259edec00,
  title = {Class II essential for CD4 survival.},
  author = {J Kirberg and H von Boehmer and T Brocker and H R Rodewald and S Takeda},
  year = {2001},
  doi = {10.1038/84229},
  url = {https://pubmed.ncbi.nlm.nih.gov/11175806/},
  note = {Source identifier: 11175806}
}