@misc{indiciae2190a53ade20,
  title = {Chronic pulmonary problems.},
  author = {P E Tipton},
  year = {1976},
  doi = {10.7547/87507315-66-11-850},
  url = {https://pubmed.ncbi.nlm.nih.gov/977902/},
  note = {Source identifier: 977902}
}