TY  - RPRT
TI  - Dysfunctional breathing in COPD.
AU  - C K Connolly
PY  - 2003
DO  - 10.1136/thorax.58.5.460-b
UR  - https://pubmed.ncbi.nlm.nih.gov/12728177/
ID  - 12728177
ER  -