@misc{indiciaea49530208b39,
  title = {What do sentinels stand for?},
  author = {A Beeby},
  year = {2001},
  doi = {10.1016/s0269-7491(00)00038-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/11234546/},
  note = {Source identifier: 11234546}
}