@misc{indiciaed12f21a4b5f8,
  title = {Lung function and the response to exercise in systemic sclerosis.},
  author = {S Godfrey and R Bluestone and B E Higgs},
  year = {1969},
  doi = {10.1136/thx.24.4.427},
  url = {https://pubmed.ncbi.nlm.nih.gov/5795644/},
  note = {Source identifier: 5795644}
}