@misc{indiciae98185d2d4c58,
  title = {Recent developments in transplantation immunology. I.},
  author = {R E Billingham and C F Barker},
  year = {1969},
  doi = {10.1097/00006534-196906000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/4890349/},
  note = {Source identifier: 4890349}
}