@misc{indiciae5e8fad44b17f,
  title = {[Beyond normal values--practical experiences with the standard deviation score (SDS) for the assessment of lung function measurements in acute bronchial asthma].},
  author = {F Herrmann and W Weltersbach},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2281068/},
  note = {Source identifier: 2281068}
}