TY  - RPRT
TI  - Re: Spirometry vs. peak flow in COPD.
AU  - G J Gibson
PY  - 2004
DO  - 10.1016/j.pcrj.2004.06.009
UR  - https://pubmed.ncbi.nlm.nih.gov/16701673/
ID  - 16701673
ER  -