@misc{indiciaed009be0e26b7,
  title = {The continuing carrier problem.},
  author = {W W Bullock and E Möller},
  year = {1974},
  doi = {10.1111/j.1600-065x.1974.tb01586.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4141522/},
  note = {Source identifier: 4141522}
}