@misc{indiciae90bb1ae3cf8e,
  title = {Systems analysis in emergency care planning.},
  author = {W F Hamilton},
  year = {1974},
  doi = {10.1097/00005650-197402000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/4820422/},
  note = {Source identifier: 4820422}
}