TY - JOUR T1 - Anticoagulation therapy for patients with atrial fibrillation JF - Canadian Medical Association Journal JO - CMAJ SP - 956 LP - 957 VL - 163 IS - 8 AU - Robert G. Hart Y1 - 2000/10/17 UR - http://www.cmaj.ca/content/163/8/956.abstract ER -