Published: 27 January 2016
Author(s): Carlos Escobar, Vivencio Barrios, Luis Prieto
Issue: January 2016
Section: Letters to the Editor

In the majority of patients with atrial fibrillation (AF), long-term oral anticoagulation is necessary to reduce the risk of stroke. Although effective, vitamin K antagonists (VKAs) exhibit many limitations [1,2]. Despite that, they are still widely used in clinical practice [3].


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