Charuswattanakul, Sirivipa, and Thitinan Chulroek. 2021. “Comparative accuracy of unenhanced and IV-contrast enhanced MDCT in detection of acute appendicitis in adult patients”. Chulalongkorn Medical Journal 66 (1). Bangkok, Thailand. https://he05.tci-thaijo.org/index.php/CMJ/article/view/53.