Saejung, Jongkolnee, and Sasithorn Mahatthanaporn. 2013. “Evaluation of the Effects of Using an Invented Lamp Attached to an Anesthetic Machine for Eye Surgery in the Dark Operating Room”. Srinagarind Medical Journal 26 (2):120-26. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/12782.