@misc{indiciae74daec983316,
  title = {[COPD-nonpharmacological treatment].},
  author = {Michael Pfeifer},
  year = {2006},
  doi = {10.1007/s00063-006-1037-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/16607485/},
  note = {Source identifier: 16607485}
}