@misc{indiciaebd44a0152b2c,
  title = {Immunization against typhoid fever.},
  author = {J W Warren and R B Hornick},
  year = {1979},
  doi = {10.1146/annurev.me.30.020179.002325},
  url = {https://pubmed.ncbi.nlm.nih.gov/400506/},
  note = {Source identifier: 400506}
}