TY  - RPRT
TI  - Exercise testing and training in German CF centers.
AU  - Michael Barker
AU  - Alexandra Hebestreit
AU  - Wolfgang Gruber
AU  - Helge Hebestreit
PY  - 2004
DO  - 10.1002/ppul.10430
UR  - https://pubmed.ncbi.nlm.nih.gov/15022132/
ID  - 15022132
ER  -