@misc{indiciae9c892c26985f,
  title = {Letter: Pneumococcal vaccines.},
  author = {R Austrian},
  year = {1975},
  doi = {10.1001/jama.231.4.345c},
  url = {https://pubmed.ncbi.nlm.nih.gov/233989/},
  note = {Source identifier: 233989}
}