RISK OF COGNITIVE IMPAIRMENT WITH NON-VITAMIN K ANTAGONIST ORAL ANTICOAGULANTS IN ATRIAL FIBRILLATION PROTOCOL FOR A SYSTEMIC REVIEW OF RANDOMIZED CONTROLLED TRIALS AND REAL-WORLD STUDIES Article Shen L., Pu J., Zhang C., Gu Z.C., Lin H.W., Liu X.Y. Medicine (Baltimore). Lippincott Williams & Wilkins. Vol. 97. 2018. e12072 p.