PT  - JOURNAL ARTICLE
AU  - Igho J Onakpoya
TI  - Metoprolol is not effective for preventing acute exacerbations in COPD
AID  - 10.1136/bmjebm-2019-111313
DP  - 2020 Jan 03
TA  - BMJ Evidence-Based Medicine
PG  - bmjebm-2019-111313
4099  - http://ebm.bmj.com/content/early/2020/01/02/bmjebm-2019-111313.short
4100  - http://ebm.bmj.com/content/early/2020/01/02/bmjebm-2019-111313.full