TY  - RPRT
TI  - COPD exacerbations.5: management.
AU  - R Rodríguez-Roisin
PY  - 2006
DO  - 10.1136/thx.2005.041863
UR  - https://pubmed.ncbi.nlm.nih.gov/16738044/
ID  - 16738044
ER  -