@misc{indiciaed189d6a00a96,
  title = {Another warning device.},
  author = {E F HILL},
  year = {1956},
  doi = {10.1093/bja/28.5.228},
  url = {https://pubmed.ncbi.nlm.nih.gov/13315873/},
  note = {Source identifier: 13315873}
}