@misc{indiciaecec2ea4a7974,
  title = {Should smokers be refused surgery?},
  author = {Matthew J Peters},
  year = {2007},
  doi = {10.1136/bmj.39059.503495.68},
  url = {https://pubmed.ncbi.nlm.nih.gov/17204799/},
  note = {Source identifier: 17204799}
}