Thumbovorn, Rungtip, and Arkom Chaiwongkot. 2022. “Detection of human papillomavirus type 16 L1 gene methylation in leftover DNA samples obtained from Cobas 4800 HPV test”. Chulalongkorn Medical Journal 66 (2). Bangkok, Thailand. https://he05.tci-thaijo.org/index.php/CMJ/article/view/69.