title: Letter to the editor.
authors: Andrea
authors: A
authors: Schäfer
authors: Jürgen
authors: J
authors: Schlegel
mesh_terms: D000444:Aldehyde Dehydrogenase / Q000378:metabolism*; D001253:Astrocytes / Q000166:cytology*; D014408:Biomarkers, Tumor / Q000032:analysis*; D001932:Brain Neoplasms / Q000378:metabolism*; D005909:Glioblastoma / Q000378:metabolism*; D006801:Humans
chemical_list: D014408:Biomarkers, Tumor; D000444:Aldehyde Dehydrogenase