TY  - RPRT
TI  - Exacerbations: etiology and pathophysiologic mechanisms.
AU  - Jadwiga A Wedzicha
PY  - 2002
DO  - 10.1378/chest.121.5_suppl.136s
UR  - https://pubmed.ncbi.nlm.nih.gov/12010842/
ID  - 12010842
ER  -