@misc{indiciaeb611368dbbe9,
  title = {Pneumococcal vaccination: current and future issues.},
  author = {A Ortqvist},
  year = {2001},
  doi = {10.1183/09031936.01.00084401},
  url = {https://pubmed.ncbi.nlm.nih.gov/11510792/},
  note = {Source identifier: 11510792}
}