ํyimcharoen sirilak, Srilawong B, Sao-dan P. Heart rate reduction during Coronary computed tomography angiography: A randomized comparison of metoprolol alone vs metoprolol plus ivabradine. J Chulabhorn Royal Acad [internet]. 2025 Jun. 27 [cited 2026 Sep. 30];7(2):157-66. available from: https://he02.tci-thaijo.org/index.php/jcra/article/view/269995