@misc{indiciae588b7aa7b683,
  title = {Letter: "Per cent T cells".},
  author = {L Russo and A Russo},
  year = {1974},
  doi = {10.1016/s0140-6736(74)90467-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4133746/},
  note = {Source identifier: 4133746}
}