@misc{indiciae758c7ce35907,
  title = {[HLA-A, B, C phenotype frequencies in progressive systemic scleroderma].},
  author = {C Baldauf and J Schaller and K Herrmann and U F Haustein},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2920860/},
  note = {Source identifier: 2920860}
}