@misc{indiciae5ab91eae91aa,
  title = {Preparing for elective surgery.},
  author = {A Johnson},
  year = {1989},
  doi = {10.7748/ns.3.23.22.s42},
  url = {https://pubmed.ncbi.nlm.nih.gov/2495473/},
  note = {Source identifier: 2495473}
}