@misc{indiciae9d6d362162e0,
  title = {Lung Health Study.},
  author = {N R Anthonisen},
  year = {1989},
  doi = {10.1164/ajrccm/140.4.871},
  url = {https://pubmed.ncbi.nlm.nih.gov/2529803/},
  note = {Source identifier: 2529803}
}