@misc{indiciaeced04d260974,
  title = {Immunization and disease in expatriates.},
  author = {D M Mackay},
  year = {1979},
  doi = {10.1016/s0033-3506(79)80077-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/515329/},
  note = {Source identifier: 515329}
}