“Elevated Levels of Urinary 8-Hydroxy-2′-Deoxyguanosine and 8-Isoprostane in Esophageal Squamous Cell Carcinoma”. Journal of Carcinogenesis 10, no. 1 (May 10, 2011). Accessed December 7, 2025. https://carcinogenesis.com/index.php/JOC/article/view/150.