@misc{indiciae2df27da03d50,
  title = {Letter: Pneumococcal typing sera.},
  author = {M Atkinson and K Hamdorf and D Hansman},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4148801/},
  note = {Source identifier: 4148801}
}