Evaluation of continuous tumor-size-based end points as surrogates for overall survival in randomized clinical trials in metastatic colorectal cancer - Burzykowski, Tomasz; Coart, Elisabeth; Saad, Everardo D; Shi, Qian; Sommeijer, Dirkje W; Bokemeyer, Carsten; Diaz-rubio, Eduardo; Douillard, Jean-Yves; Falcone, Alfredo; Hoff, Paulo Marcelo Gehm (Jama network open, 2019)