@misc{indiciae5e85af76647d,
  title = {Type and screen--use and effectiveness in elective surgery.},
  author = {T E Vorpahl},
  year = {1981},
  doi = {10.1093/ajcp/75.2.270},
  url = {https://pubmed.ncbi.nlm.nih.gov/6781334/},
  note = {Source identifier: 6781334}
}