@misc{indiciae68289431a179,
  title = {Is there an HLA-A9 effect?},
  author = {G Opelz},
  year = {1991},
  doi = {10.1097/00007890-199106000-00042},
  url = {https://pubmed.ncbi.nlm.nih.gov/2048214/},
  note = {Source identifier: 2048214}
}