Pewluang, Onpabha, and Petcharakorn Hanpanich. “Survey of S-Values from Digital Chest X-Ray Examinations at Srinagarind Hospital”. Srinagarind Medical Journal 28, no. 4 (November 27, 2013): 198. Accessed April 26, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14854.