RT Journal Article SR Electronic T1 The benefits of marine omega-3s for preventing arrhythmias JF Open Heart JO Open Heart FD British Cardiovascular Society SP e000904 DO 10.1136/openhrt-2018-000904 VO 7 IS 1 A1 James J DiNicolantonio A1 James OKeefe YR 2020 UL http://openheart.bmj.com/content/7/1/e000904.abstract AB