Noppawinyoowong, Chedsada, Chayanid Sornchaithawatwong, Janya Srisangchun, Sarin Tadtong, and Amornrat Viriyaroj. 2015. “Chemical Stability of 70% Alcohol After Opened”. Srinagarind Medical Journal 29 (6):505-9. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/31582.