Yuwapattanawong, Kornkanok, Pruchwilai Nuchpramool, and Piyasak Vitayaburananont. 2016. “Carbon Dioxide Absorbent”. Vajira Medical Journal : Journal of Urban Medicine 60 (2):125-33. https://he02.tci-thaijo.org/index.php/VMED/article/view/194419.