TY  - RPRT
TI  - Bronchodilator response in COPD.
AU  - R V Maples
PY  - 1986
DO  - 10.1164/arrd.1986.134.3.634b
UR  - https://pubmed.ncbi.nlm.nih.gov/3752722/
ID  - 3752722
ER  -