RT Journal Article SR Electronic T1 COPD—effect of metoprolol in people with no proven cardiac indication JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 118 OP 118 DO 10.1136/dtb.2020.000034 VO 58 IS 8 YR 2020 UL http://dtb.bmj.com/content/58/8/118.abstract AB Review of: Dransfield MT, Voelker H, Bhatt SP, et al. Metoprolol for the prevention of acute exacerbations of COPD. N Engl J Med 2019;381:2304–14.