TY  - RPRT
TI  - Long-term changes in dyspnea, lung function, and exercise capacity in COPD patients.
AU  - Vladimir A Hodgev
AU  - Stefan S Kostianev
AU  - Anahid A Torosian
AU  - Ivan B Yanev
AU  - Penka B Mandoulova
PY  - 2004
UR  - https://pubmed.ncbi.nlm.nih.gov/15819452/
ID  - 15819452
ER  -