@misc{indiciaeb44e00d9b2f2,
  title = {Chronic purulent bronchitis.},
  author = {P L DAVIS and M H SHUMWAY and D BLOOM},
  year = {1959},
  url = {https://pubmed.ncbi.nlm.nih.gov/13643244/},
  note = {Source identifier: 13643244}
}