共 2 条
[1]
Risk of stroke in non-rheumatic atrial fibrillation. Flegel KM, Shipley MJ, Rise G. The Lancet . 1987
[2]
Anticoagulant prophylaxis against stroke in atrial fibrillation: effectiveness in actual practice. Caro JJ, Flegel KM, Orejuela ME, et al. Canadian Medical Association Journal . 1999