@misc{indiciae053018507dcc,
  title = {Bimanual cricoid pressure--another version.},
  author = {R Williamson},
  year = {1991},
  doi = {10.1111/j.1365-2044.1991.tb11712.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2048684/},
  note = {Source identifier: 2048684}
}