Monitoring the roles of prothrombin activation fragment 1 and 2 (F1+2) in patients with atrial fibrillation receiving rivaroxaban and apixaban, Ueno Ei-ichi, Fujibayashi Kosuke, Sawaguchi Jun, Yasuda Yushi, Takano Shintaro, Fujioka Nakaba, Kawai Yasuyuki, Fujita Harumi, Tanaka Yoshi, Kajinami Kouji, Journal of Thrombosis and Thrombolysis, 50:371-379, 2020年08月