@misc{indiciae899cfcc9635f,
  title = {A perspective on cellular immunity in the elderly.},
  author = {K V Khanna and R B Markham},
  year = {1999},
  doi = {10.1086/515206},
  url = {https://pubmed.ncbi.nlm.nih.gov/10825023/},
  note = {Source identifier: 10825023}
}