論文（英文）
Disease Free Survival as a surrogate for Overall Survival in adjuvant trials of gastric cancer: A meta-analysis
Oba K, Paoletti X, Alberts S, Bang Y, Benedetti J, Bleiberg H, Catalano P, Lordick F, Michiels S, Morita S, Ohashi Y, Pignon JP, Rougier P, Sasako M, Sakamoto J, Sargent DJ, Shitara K, Van Cutsem E, Buyse M, Burzykowski T. Disease Free Survival as a surrogate for Overall Survival in adjuvant trials of gastric cancer: A meta-analysis. J Natl Cancer Inst 2013; 105: 1600-7.