Sangariyavanich E, Imsuwansri T, Thaiyakul A. Cost-Effectiveness Analysis of Esophageal Cancer Screening in Patients with Hypopharyngeal Cancer Using Transnasal Esophagoscopy Compared with Rigid Esophagoscopy. J DMS [internet]. 2021 Mar. 10 [cited 2025 Dec. 5];45(4):17-23. available from: https://he02.tci-thaijo.org/index.php/JDMS/article/view/249732