@misc{indiciaea3f0f667cacc,
  title = {Chronic bronchitis in the aged.},
  author = {T H HOWELL},
  year = {1957},
  doi = {10.1016/s0366-0869(57)80079-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/13446411/},
  note = {Source identifier: 13446411}
}