@misc{indiciae36925cc1f0ab,
  title = {Pneumococcal immunisation and the healthy elderly.},
  author = {K Neal},
  year = {1993},
  doi = {10.1016/0140-6736(93)92684-l},
  url = {https://pubmed.ncbi.nlm.nih.gov/8093969/},
  note = {Source identifier: 8093969}
}