Pichayaphun, Suratda, and Phakaphorn Chompubai. 2025. “Protamine-to-Heparin Ratio for Effective Reversal in Open-Heart Surgery Post-Cardiopulmonary Bypass”. Thai Journal of Anesthesiology 51 (6):377-86. https://he02.tci-thaijo.org/index.php/anesthai/article/view/278701.