@misc{indiciae70113d94d5be,
  title = {Vaccination against colonizing bacteria with multiple serotypes.},
  author = {M Lipsitch},
  year = {1997},
  doi = {10.1073/pnas.94.12.6571},
  url = {https://pubmed.ncbi.nlm.nih.gov/9177259/},
  note = {Source identifier: 9177259}
}