@misc{indiciae55d9c6557acc,
  title = {Foreign exchange visits.},
  author = {I S Hodgson-Jones and H J Voss},
  year = {1972},
  doi = {10.1136/bmj.4.5836.360},
  url = {https://pubmed.ncbi.nlm.nih.gov/4637519/},
  note = {Source identifier: 4637519}
}