TY  - RPRT
TI  - An update on chronic obstructive pulmonary disease.
AU  - Roy A Pleasants
AU  - Douglas Haden
PY  - 2005
DO  - 10.4140/tcp.n.2005.965
UR  - https://pubmed.ncbi.nlm.nih.gov/16548673/
ID  - 16548673
ER  -