Sherrill B, Akhras K, Kaye J, Sandin R, Cappelleri J, Heyes A, Chen C. Review of meta-analyses evaluating surrogate endpoints for overall survival in oncology. Poster presented at the European Multidisciplinary Cancer Congress of the European Cancer Organization; September 24, 2011. Stockholm, Sweden. [abstract] Eur J Cancer. 2011 Sep 1; 47(Suppl. 1):S261.