@misc{indiciaef26d64efc83b,
  title = {Optimizing immunity and gut function in the elderly.},
  author = {H S Gill and A J Darragh and M L Cross},
  year = {2001},
  url = {https://pubmed.ncbi.nlm.nih.gov/11426287/},
  note = {Source identifier: 11426287}
}