@misc{indiciae93731effca77,
  title = {An effective prehospital emergency system.},
  author = {W F McManus and D D Tresch and J C Darin},
  year = {1977},
  doi = {10.1097/00005373-197704000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/857049/},
  note = {Source identifier: 857049}
}