Iamsuk, Tossaporn, Chutchamon Meekingthong, Wichan Prasertsilpakul, Prapa Sodkokkruad, and Sawwanee Asavaphatiboon2. 2022. “Comparison Between Conventional Pre-Contrast and Virtual Non-Contrast Images from IQon Spectral CT”. The Thai Journal of Radiological Technology 47 (1). Bangkok, Thailand:83-92. https://he02.tci-thaijo.org/index.php/tjrt/article/view/258332.