@misc{indiciaea0123b772c60,
  title = {Pneumococcal vaccination.},
  author = {L Gruer},
  year = {1985},
  doi = {10.1016/s0163-4453(85)91234-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4031531/},
  note = {Source identifier: 4031531}
}