Anusorntanawat, Ratikorn. 2020. “A Comparison of Phenylephrine Administration between Intravenous Bolus and Slow Injection in Treatment of Spinal Anesthesia-Induced Hypotension on Bradycardia and Other Side Effects in Patients Undergoing Cesarean Section: A Randomized, Single-Blind Study”. Thai Journal of Anesthesiology 46 (2):80-87. https://he02.tci-thaijo.org/index.php/anesthai/article/view/240211.