@misc{indiciae76282e3a0976,
  title = {Second attacks of typhoid fever.},
  author = {D E MARMION and G R NAYLOR and I O STEWART},
  year = {1953},
  doi = {10.1017/s0022172400015680},
  url = {https://pubmed.ncbi.nlm.nih.gov/13069708/},
  note = {Source identifier: 13069708}
}