N. Onal Kalkan, A. Guven Mert, U. Cakiroglu, M. N. Aldemir, and C. Kotan, “Definitive chemoradiotherapy versus upfront surgery in locoregional esophageal squamous cell cancer”, Ann Med Res , vol. 31, no. 11, pp. 898–904, Nov. 2024, Accessed: Sep. 21, 2026. [Online]. Available: http://www.annalsmedres.org/index.php/aomr/article/view/4782