@misc{indiciaecb72798a69e8,
  title = {In-flight assistance.},
  author = {D E Waite},
  year = {1999},
  doi = {10.1016/s0140-6736(05)74992-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/9950477/},
  note = {Source identifier: 9950477}
}