ํyimcharoen sirilak, Busadee Srilawong, and Patcharaporn Sao-dan. 2025. “Heart rate reduction during Coronary computed tomography angiography: A randomized comparison of metoprolol alone vs metoprolol plus ivabradine”. The Journal of Chulabhorn Royal Academy 7 (2). Bangkok, Thailand:157-66. https://he02.tci-thaijo.org/index.php/jcra/article/view/269995.