@misc{indiciae8ade10748546,
  title = {[Normal values for spirometry lung function values and peak flow for 7-18-year-old probands].},
  author = {H Luttmann and R Kaaden and L Kreienbrock and C Treiber-Klötzer and H E Wichmann},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9132747/},
  note = {Source identifier: 9132747}
}