TY  - RPRT
TI  - COPD exacerbations . 3: Pathophysiology.
AU  - D E O'Donnell
AU  - C M Parker
PY  - 2006
DO  - 10.1136/thx.2005.041830
UR  - https://pubmed.ncbi.nlm.nih.gov/16565268/
ID  - 16565268
ER  -