@misc{indiciae66f13dfdf2b8,
  title = {Chronic bronchitis.},
  author = {N OSWALD},
  year = {1958},
  doi = {10.1136/pgmj.34.387.11},
  url = {https://pubmed.ncbi.nlm.nih.gov/13494258/},
  note = {Source identifier: 13494258}
}