@misc{indiciae90b174bc607e,
  title = {Chronic bronchitis in textile workers.},
  author = {R M Niven and A M Fletcher and C A Pickering and D Fishwick and C J Warburton and J C Simpson and H Francis and L A Oldham},
  year = {1997},
  doi = {10.1136/thx.52.1.22},
  url = {https://pubmed.ncbi.nlm.nih.gov/9039235/},
  note = {Source identifier: 9039235}
}