@misc{indiciae4541f1b45d25,
  title = {Polysaccharide pneumococcal vaccines.},
  author = {Tom Jefferson and Vittorio Demicheli},
  year = {2002},
  doi = {10.1136/bmj.325.7359.292},
  url = {https://pubmed.ncbi.nlm.nih.gov/12169492/},
  note = {Source identifier: 12169492}
}