Jeeranukosol, Suchaya, and Ratikorn Anusorntanawat. “Prophylactic Intravenous Phenylephrine 100, 150, and 200 Micrograms on Vasopressor Consumption, Bradycardia and Other Side Effects After Spinal Anesthesia in Obese Parturients During Cesarean Section: A Randomized, Single-Blind Study”. Research Medical Journal 48, no. 3 (July 25, 2025): e272764. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/272764.