Gene expression profiling predicts clinical outcome of breast cancer - van ’t Veer, L; Dai, H; van de Vijver, MJ; He, YD; Hart, AAM; Mao, M; Peterse, HL; van de Kooy, K; Marton, MJ; Witteveen, AT; Schreiber, GJ; Kerkhoven, RM; Roberts, C; Linsley, PS; Bernards, R; Friend, SH (Nature, 2002)