@misc{indiciae40aed99a9aa4,
  title = {Cigarette smoking in asthma.},
  author = {T W Higenbottam and C Feyeraband and T J Clark},
  year = {1980},
  doi = {10.1016/0007-0971(80)90056-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7426367/},
  note = {Source identifier: 7426367}
}