TY  - RPRT
TI  - Comparison of lung-function reference values.
AU  - X Baur
AU  - S Isringhausen-Bley
AU  - P Degens
PY  - 1999
DO  - 10.1007/s004200050341
UR  - https://pubmed.ncbi.nlm.nih.gov/10197478/
ID  - 10197478
ER  -