RT Journal Article SR Electronic T1 Warfarin therapy in primary care. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 123 OP 124 VO 46 IS 403 A1 J N Eisenberg A1 P Das YR 1996 UL http://bjgp.org/content/46/403/123.3.abstract AB