AU - McLeod CJ, Gersh BJ TI - OPtimal anticoagulation therapy in patients with valvular heart disease or atrial fibrillation PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {2032-2033}, VI - 169 IP - 21 AID - 10.1001/archinternmed.2009.420 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.420 SO - Archives of Internal Medicine November 23, 2009 169(21):2032