Chang, S., Chou, I., Yeh, Y., Chiou, M., Wen, M., Kuo, C., …Kuo, C. (2017). Association between use of non–vitamin k oral anticoagulants with and without concurrent medications and risk of major bleeding in nonvalvular atrial fibrillation. Journal of the American Medical Association, 318(13), https://doi.org/10.1001/jama.2017.13883