AU - Torn M, Rosendaal FR TI - OPtimal anticoagulation therapy in patients with valvular heart disease or atrial fibrillation—reply PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {2033}, VI - 169 IP - 21 AID - 10.1001/archinternmed.2009.421 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.421 SO - Archives of Internal Medicine November 23, 2009 169(21):2033