@misc{indiciae3c06ae220cb7,
  title = {Tracking travel trends.},
  author = {Linda Bird Randolph},
  year = {2003},
  doi = {10.1097/00006247-200310005-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/14708583/},
  note = {Source identifier: 14708583}
}