1. Anticoagulant for preventing stroke in patients with nonrheumatic atrial fibrillation and history of stroke or trasient ischemic attaks (Cochrane review);Koudstaal,2002
2. Oral anticoagulants for preventing stroke in patients with nonvalvular atrial fibrillation and no previous history of stroke or trasient ischemic attacks (Cochrane Review);Benavente,2002
3. El tratamiento anticoagulante oral y su manejo en atención primaria;Puche;Fmc,1996
4. Anticoagulantes orales;Bonaplata;Medifam,1998
5. Monitoring anticoagulant control in general practice: comparison of management in areas with and without access to hospital anticoagulant;Pell;Br J Haemat,1994