Haag, Georg-Martin ; Stocker, Gertraud ; Quidde, Julia ; Jäger, Dirk ; Lordick, Florian (2017) Randomized controlled trial of S-1 maintenance therapy in metastatic esophagogastric cancer – the multinational MATEO study. BMC Cancer, 17 (509). pp. 1-8. ISSN 1471-2407