@misc{indiciaeba485501d78e,
  title = {Health problems after travel to developing countries.},
  author = {R Steffen and M Rickenbach and U Wilhelm and A Helminger and M Schär},
  year = {1987},
  doi = {10.1093/infdis/156.1.84},
  url = {https://pubmed.ncbi.nlm.nih.gov/3598228/},
  note = {Source identifier: 3598228}
}