@misc{indiciae887adbcc541a,
  title = {Precipitating cross-reactions among pneumococcal types.},
  author = {M Heidelberger},
  year = {1983},
  doi = {10.1128/iai.41.3.1234-1244.1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6885161/},
  note = {Source identifier: 6885161}
}