Jirapattrathamrong, Somboon. “Use of Oral Anticoagulant for Prevention of Embolic Stroke and Systemic Embolism in Atrial Fibrillation”. Vajira Medical Journal : Journal of Urban Medicine 62, no. Supplement (June 1, 2018): S64–74. Accessed May 18, 2024. https://he02.tci-thaijo.org/index.php/VMED/article/view/209306.