@misc{indiciae21c143e5ed2e,
  title = {Multiple levels of peripheral tolerance.},
  author = {B Arnold and G Schönrich and G J Hämmerling},
  year = {1993},
  doi = {10.1016/0167-5699(93)90317-e},
  url = {https://pubmed.ncbi.nlm.nih.gov/8442855/},
  note = {Source identifier: 8442855}
}