Effects of dabigatran versus warfarin on 2-year cognitive outcomes in old patients with atrial fibrillation: results from the GIRAF randomized clinical trial - Caramelli, Bruno; Yu, Pai Ching; Cardozo, Francisco A. M.; Magalhaes, Iuri R.; Spera, Raphael Ribeiro; Amado, Daniel K.; Escalante-rojas, Maria C.; Gualandro, Danielle M.; Calderaro, Daniela; Tavares, Caio A. M. (Bmc medicine, 2022)