@misc{indiciaeb13841bcb6ff,
  title = {Problems with ketamine anaesthesia.},
  author = {K C MacIntosh},
  year = {1973},
  doi = {10.1136/bmj.1.5847.234},
  url = {https://pubmed.ncbi.nlm.nih.gov/4568663/},
  note = {Source identifier: 4568663}
}