Efficacy of Aspirin vs. Clopidogrel in Secondary Prevention of Stroke in Patients with Atrial Fibrillation: A Systematic Review and Meta-Analysis. ccm [Internet]. 2025 Nov. 27 [cited 2026 Sep. 18];9(6):471-83. Available from: https://fortunejournals.org/ojs/index.php/ccm/article/view/16661