@misc{indiciaebff12ccde91f,
  title = {A child-oriented emergency medical services system.},
  author = {S Ludwig and S Selbst},
  year = {1990},
  doi = {10.1016/0045-9380(90)90025-v},
  url = {https://pubmed.ncbi.nlm.nih.gov/2306946/},
  note = {Source identifier: 2306946}
}