@misc{indiciae2643e74f081e,
  title = {Recent developments in transplantation immunology. II.},
  author = {R E Billingham and C F Barker},
  year = {1969},
  doi = {10.1097/00006534-196907000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/4893007/},
  note = {Source identifier: 4893007}
}