@misc{indiciae9aa89f2efb0f,
  title = {Current research in chronic obstructive lung disease. A postscript.},
  author = {R S Mitchell and G F Filley and J Read},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/5610798/},
  note = {Source identifier: 5610798}
}