@misc{indiciae50eb2c0dc8f6,
  title = {Letter: Smoking and doctors.},
  author = {S L Smith},
  year = {1974},
  doi = {10.1016/s0140-6736(74)93184-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4131064/},
  note = {Source identifier: 4131064}
}