@misc{indiciae9ef0cfea8bd5,
  title = {Greening the NHS.},
  author = {M Gray and B Keeble},
  year = {1989},
  doi = {10.1136/bmj.299.6690.4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2503202/},
  note = {Source identifier: 2503202}
}