@misc{indiciaed7ee8315f5f8,
  title = {Epidemiological differences among pneumococcal serotypes.},
  author = {William P Hausdorff and Daniel R Feikin and Keith P Klugman},
  year = {2005},
  doi = {10.1016/s1473-3099(05)01280-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/15680778/},
  note = {Source identifier: 15680778}
}