@misc{indiciae062fd2c83018,
  title = {Pneumococcal immunisation and the healthy elderly.},
  author = {G A Bruyn},
  year = {1992},
  doi = {10.1016/0140-6736(92)92613-k},
  url = {https://pubmed.ncbi.nlm.nih.gov/1360130/},
  note = {Source identifier: 1360130}
}