AU - Torn M, Cannegieter SC, Bollen WM, van der Meer FM, van der Wall EE, Rosendaal FR TI - Optimal level of oral anticoagulant therapy for the prevention of arterial thrombosis in patients with mechanical heart valve prostheses, atrial fibrillation, or myocardial infarction: A prospective study of 4202 patients PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {1203-1209}, VI - 169 IP - 13 AID - 10.1001/archinternmed.2009.176 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.176 SO - Archives of Internal Medicine July 13, 2009 169(13):1203