@misc{indiciae28fe9c13f484,
  title = {[COPD diagnosis in the practice. Can the peak-flow-meter replace spirometry?].},
  author = {Wolfgang Petro},
  year = {2004},
  url = {https://pubmed.ncbi.nlm.nih.gov/15152757/},
  note = {Source identifier: 15152757}
}