TY  - RPRT
TI  - Relationship between exacerbation frequency and lung function decline in chronic obstructive pulmonary disease.
AU  - G C Donaldson
AU  - T A R Seemungal
AU  - A Bhowmik
AU  - J A Wedzicha
PY  - 2002
DO  - 10.1136/thorax.57.10.847
UR  - https://pubmed.ncbi.nlm.nih.gov/12324669/
ID  - 12324669
ER  -