Chatsantiprapa, Kannikar, and Skulrat Ussanawarong. 2013. “Differnces in Pattern of Poisoning Between the Three Major Amphurs in Khon Kaen Province”. Srinagarind Medical Journal 9 (3):124-28. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13757.