@misc{indiciae8abf54d36598,
  title = {Chronic bronchitis: some clinical, pathologic, and bacteriologic aspects.},
  author = {N OSWALD},
  year = {1957},
  doi = {10.1164/artpd.1957.75.2.340},
  url = {https://pubmed.ncbi.nlm.nih.gov/13403164/},
  note = {Source identifier: 13403164}
}