@misc{indiciae2e505445e5cf,
  title = {Smoking and asthma.},
  author = {D Freed},
  year = {1978},
  doi = {10.1136/bmj.1.6108.304-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/620333/},
  note = {Source identifier: 620333}
}