@misc{indiciae1c9b2a74d12c,
  title = {Letter: Decrease of T lymphocytes during ageing.},
  author = {W Augener and G Cohnen and A Reuter and G Brittinger},
  year = {1974},
  doi = {10.1016/s0140-6736(74)90647-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4136890/},
  note = {Source identifier: 4136890}
}