@misc{indiciae63e02ee4967d,
  title = {Cricoid pressure: a simple, yet effective biofeedback trainer.},
  author = {A Kopka and J Crawford},
  year = {2004},
  doi = {10.1017/s0265021504006052},
  url = {https://pubmed.ncbi.nlm.nih.gov/15248623/},
  note = {Source identifier: 15248623}
}