@misc{indiciae4832a864ddc9,
  title = {Which came first, MHC class I or class II?},
  author = {M F Flajnik and C Canel and J Kramer and M Kasahara},
  year = {1991},
  doi = {10.1007/bf00216688},
  url = {https://pubmed.ncbi.nlm.nih.gov/2050387/},
  note = {Source identifier: 2050387}
}