PT - JOURNAL ARTICLE AU - Weizheng Li TI - Unified definition of relapse-free survival should be used for evaluating survival benefit in oesophageal adenocarcinoma AID - 10.1136/gutjnl-2020-321482 DP - 2021 Jan 01 TA - Gut PG - 228--228 VI - 70 IP - 1 4099 - http://gut.bmj.com/content/70/1/228.short 4100 - http://gut.bmj.com/content/70/1/228.full SO - Gut2021 Jan 01; 70