TY  - RPRT
TI  - Re: Spirometry vs. peak flow in COPD.
AU  - Niels Chavannes
PY  - 2004
DO  - 10.1016/j.pcrj.2004.07.003
UR  - https://pubmed.ncbi.nlm.nih.gov/16701674/
ID  - 16701674
ER  -