@misc{indiciae9ae582f85452,
  title = {[Long-term therapy in chronic obstructive lung diseases].},
  author = {A Perruchoud and R Keller and C Della Pietra and C Kopp and H Herzog},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/343246/},
  note = {Source identifier: 343246}
}