Rujjanawate, C., D. Amornlerdpison, and D. Kanjanapothi. “Gastroprotective Effect of Roselle Mucilage”. Journal of Basic and Applied Pharmacology, vol. 23, no. 2-3, July 2015, pp. 95-100, https://li01.tci-thaijo.org/index.php/JBAP/article/view/37076.