@misc{indiciae9b5b15a1132d,
  title = {[Pulmonary function testing before ablative methods].},
  author = {R Ewert and C Opitz},
  year = {2004},
  doi = {10.1007/s00117-004-1069-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/15293003/},
  note = {Source identifier: 15293003}
}