TY  - RPRT
TI  - Peripheral muscle weakness in COPD: where does it come from?
AU  - M I Polkey
PY  - 2003
DO  - 10.1136/thorax.58.9.741
UR  - https://pubmed.ncbi.nlm.nih.gov/12947126/
ID  - 12947126
ER  -