@misc{indiciae81994068b53d,
  title = {MORE ABOUT chronic bronchitis.},
  year = {1957},
  doi = {10.5694/j.1326-5377.1957.tb58135.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13476982/},
  note = {Source identifier: 13476982}
}