@misc{indiciaefe5277977c10,
  title = {[Spiro-ergometry in chronic obstructive lung diseases].},
  author = {A Somfay and T Racskó and P Kraszkó},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8233454/},
  note = {Source identifier: 8233454}
}