R. Laface, E. Giommoni, and F. Di Costanzo, “S-1 in the treatment of advanced gastric cancer: up-date”, Eur J Oncol Env Hea, vol. 19, no. 1S, pp. 26–29, Mar. 2014, Accessed: Nov. 14, 2025. [Online]. Available: https://mail.mattioli1885journals.com/index.php/EJOEH/article/view/4241