@misc{indiciaeddcfdcb72b4a,
  title = {Improvement in pulmonary function following smoking cessation.},
  author = {K M Emmons and G Weidner and W M Foster and R L Collins},
  year = {1992},
  doi = {10.1016/0306-4603(92)90036-u},
  url = {https://pubmed.ncbi.nlm.nih.gov/1502964/},
  note = {Source identifier: 1502964}
}