The Effect of Low-Dose Warfarin on the Risk of Stroke in Patients with Nonrheumatic Atrial Fibrillation
NEJM 323:1505-1511, 1556-15581990., Kistler,J.P.,et al, 1990
Clinical Characteristics of Vasodepressor, Cardioinhibitory, and Mixed Carotid Sinus Syndrome in the Elderly
Am J Med 95:203-208, McIntosh,S.J.,et al, 1993
Syncope:Current Diagnostic Evaluation and Management
Ann Int Med 112:850-863, Manolis,A.S.,et al, 1990