RT Journal Article SR Electronic T1 Alcohol and atrial fibrillation: to or not to drink? JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP bmjebm-2020-111340 DO 10.1136/bmjebm-2020-111340 A1 Jack W O'Sullivan YR 2020 UL http://ebm.bmj.com/content/early/2020/06/03/bmjebm-2020-111340.abstract AB