@misc{indiciae620b779fd397,
  title = {Difficult pain.},
  author = {Lesley Colvin and Karen Forbes and Marie Fallon},
  year = {2006},
  doi = {10.1136/bmj.332.7549.1081},
  url = {https://pubmed.ncbi.nlm.nih.gov/16675817/},
  note = {Source identifier: 16675817}
}