Lowong, Thanatchaya, Sirirat Ngandee, Ajchara Boonprasop, and kingkarn Aphiwatthanasumet. 2014. “The effect of noise removal filters on the quality of digital radiography used low exposure technique: A phantom study”. Journal of Associated Medical Sciences 47 (3):192. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/59975.