@misc{indiciae4c345fd2df63,
  title = {National Marrow Donor Program: progress and challenges.},
  author = {R Champlin and P Coppo and C Howe},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8448545/},
  note = {Source identifier: 8448545}
}