“Differential Risk of Intracranial Hemorrhage in Patients With Non-Valvular Atrial Fibrillation With Usage of Novel Oral Anticoagulants Vs. Warfarin. Systematic Review and Analysis of Subpopulations”. Universitas Medica 58, no. 2 (August 31, 2017). Accessed October 24, 2025. https://revistas.javeriana.edu.co/index.php/vnimedica/article/view/19887.