TY  - RPRT
TI  - Bronchodilators in COPD.
AU  - J C Yernault
AU  - A Noseda
PY  - 1994
DO  - 10.1136/thx.49.11.1182-a
UR  - https://pubmed.ncbi.nlm.nih.gov/7831645/
ID  - 7831645
ER  -