@misc{indiciae078d49c9158e,
  title = {Self-nonself discrimination by T cells.},
  author = {H von Boehmer and P Kisielow},
  year = {1990},
  doi = {10.1126/science.1972594},
  url = {https://pubmed.ncbi.nlm.nih.gov/1972594/},
  note = {Source identifier: 1972594}
}