@misc{indiciae180b7da116a2,
  title = {A guide for the preoperative visit.},
  author = {C Ayers and L Walton},
  year = {1974},
  doi = {10.1016/s0001-2092(07)60530-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4493537/},
  note = {Source identifier: 4493537}
}