Wongchuengam, P., R. Naiwatanakul, P. Chudapongse, and P. Dhumma-Upakorn. “Differential Actions of 5-Hydroxytryptamine on The Isolated Rat Right and Left Atria”. Journal of Basic and Applied Pharmacology, vol. 8, no. 2, July 2015, pp. 71-81, https://li01.tci-thaijo.org/index.php/JBAP/article/view/36753.