RT Journal Article SR Electronic T1 Increased risk of ischaemic stroke while initiating warfarin in patients with atrial fi brillation JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 215 OP 215 DO 10.7861/clinmedicine.15-2-215 VO 15 IS 2 A1 Vedamurthy Adhiyaman A1 Keiran O’mahony YR 2015 UL http://www.rcpjournals.org/content/15/2/215.1.abstract