@misc{indiciaeaaf44319fec1,
  title = {Blood tests before elective surgery on patients who cannot communicate.},
  author = {D Brahams},
  year = {1990},
  doi = {10.1016/0140-6736(90)91261-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/1971673/},
  note = {Source identifier: 1971673}
}