TY  - RPRT
TI  - Exercise training in COPD patients: the basic questions.
AU  - R Gosselink
AU  - T Troosters
AU  - M Decramer
PY  - 1997
DO  - 10.1183/09031936.97.10122884
UR  - https://pubmed.ncbi.nlm.nih.gov/9493679/
ID  - 9493679
ER  -