@misc{indiciaefb18db884cbd,
  title = {Human graft versus host disease.},
  author = {R Parkman and J Rappeport and F Rosen},
  year = {1980},
  doi = {10.1111/1523-1747.ep12543412},
  url = {https://pubmed.ncbi.nlm.nih.gov/6993570/},
  note = {Source identifier: 6993570}
}