TY  - RPRT
TI  - [Beyond normal values--practical experiences with the standard deviation score (SDS) for the assessment of lung function measurements in acute bronchial asthma].
AU  - F Herrmann
AU  - W Weltersbach
PY  - 1990
UR  - https://pubmed.ncbi.nlm.nih.gov/2281068/
ID  - 2281068
ER  -