Eaimchaloay, Somreudee, Rasmon Kalayasiri, and Sujira Prechawit. “Characteristics and physical outcomes of kratom users at a substance abuse treatment center”. Chulalongkorn Medical Journal 63, no. 3 (August 15, 2023). accessed April 8, 2025. https://he05.tci-thaijo.org/index.php/CMJ/article/view/296.