Classification, subtype discovery, and prediction of outcome in pediatric acute lymphoblastic leukemia by gene expression profiling. - Yeoh,E.J.; Ross,M.E.; Shurtleff,S.A.; Williams,W.K.; Patel,D.; Mahfouz,R.; Behm,F.G.; Raimondi,S.C.; Relling,M.V.; Patel,A.; Cheng,C.; Campana,D.; et al. (Cancer Cell., 2002)