@misc{indiciae46fe4cf87057,
  title = {Four-step CPR--improving skill retention.},
  author = {J A Handley and A J Handley},
  year = {1998},
  doi = {10.1016/s0300-9572(97)00095-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/9547836/},
  note = {Source identifier: 9547836}
}