@misc{indiciae228ea5b50526,
  title = {Aortic cannulation: a simple technical aid.},
  author = {R Pragnell and T B Cartmill and R Nicks},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5774640/},
  note = {Source identifier: 5774640}
}