Rizqhan, Muhammad, and Aryasena Andhika Wiedjaja. “Opioid-free total intravenous anesthesia for valvular cardiac replacement surgery”. Chulalongkorn Medical Journal (July 22, 2026). accessed September 21, 2026. https://he05.tci-thaijo.org/index.php/CMJ/article/view/8149.