@misc{indiciaeb607128db4d2,
  title = {Immunoregulation in aged humans.},
  author = {D J Barrett and S Stenmark and D W Wara and A J Ammann},
  year = {1980},
  doi = {10.1016/0090-1229(80)90088-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/6447566/},
  note = {Source identifier: 6447566}
}