Jirajariyawej, W., and P. Dhumma·Upakorn. “Interaction of Serotonin and Propranolol on the Isolated Left Rat Atria”. Journal of Basic and Applied Pharmacology, vol. 12, no. 2, July 2015, p. 110, https://li01.tci-thaijo.org/index.php/JBAP/article/view/36467.