RT Journal Article SR Electronic T1 Warfarin in stroke prevention JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 504 OP 504 VO 45 IS 398 A1 Kieran Sweeney A1 Denis J Pereira Gray A1 Russell Steele A1 Philip Evans YR 1995 UL http://bjgp.org/content/45/398/504.1.abstract AB