@misc{indiciaeb726b43fde3b,
  title = {Chronic obstructive pulmonary disease.},
  author = {C Margereson and G Esmond and C Bunce},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9208818/},
  note = {Source identifier: 9208818}
}