Keonkaew, Banjong, Petcharakorn Hanpanich, and Pornchai Shinkhamharn. “AN INVENTION OF ACCESSORY DEVICE FOR PARANASAL SINUSES RADIOGRAPHY”. Srinagarind Medical Journal 21, no. 4 (November 25, 2013): 260–266. Accessed April 19, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13666.