@misc{indiciae1e6e6572eccd,
  title = {Relation between abnormalities in the chest radiograph and changes in pulmonary function in chronic bronchitis and emphysema.},
  author = {G Simon and N B Pride and N L Jones and A C Raimondi},
  year = {1973},
  doi = {10.1136/thx.28.1.15},
  url = {https://pubmed.ncbi.nlm.nih.gov/4685207/},
  note = {Source identifier: 4685207}
}