@misc{indiciae16811082d3e3,
  title = {Chronic obstructive pulmonary disease and polycythemia.},
  author = {R D Reynolds and J D Reeves and J G Frank and J H Bower and C Walters},
  year = {1979},
  doi = {10.1001/jama.242.20.2180},
  url = {https://pubmed.ncbi.nlm.nih.gov/490804/},
  note = {Source identifier: 490804}
}