@misc{indiciae3ad38b80a64c,
  title = {Preoperative teaching: a need for change.},
  author = {S Johnson},
  year = {1989},
  doi = {10.1097/00006247-198902000-00020},
  url = {https://pubmed.ncbi.nlm.nih.gov/2922172/},
  note = {Source identifier: 2922172}
}