Association of stem cell-related markers and survival in astrocytic gliomas. - Wan F; Herold-Mende C; Campos B; Centner FS; Dictus C; Becker N; Devens F; Mogler C; Felsberg J; Grabe N; Reifenberger G; Lichter P; et al. (Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals, 2011)