TY  - RPRT
TI  - Differentiating asthma and COPD patients.
AU  - Feisal A El-Kassimi
PY  - 2004
DO  - 10.1378/chest.126.2.653
UR  - https://pubmed.ncbi.nlm.nih.gov/15302761/
ID  - 15302761
ER  -