@misc{indiciaee38452dd7ca4,
  title = {Decreasing diffusion limitation on exercise in lower-graded interstitial lung disease.},
  author = {H Heller and M Könen-Bergmann and A Overlack and K D Schuster},
  year = {1998},
  doi = {10.1007/s004240050581},
  url = {https://pubmed.ncbi.nlm.nih.gov/9518503/},
  note = {Source identifier: 9518503}
}