@misc{indiciae090cd937efba,
  title = {Entonox hazard.},
  author = {I A Orr and L Hamilton},
  year = {1985},
  doi = {10.1111/j.1365-2044.1985.tb10861.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4014630/},
  note = {Source identifier: 4014630}
}