title: Expression of concern from journal editor.
mesh_terms: D000970:Antineoplastic Agents / Q000494:pharmacology*; D017209:Apoptosis / Q000187:drug effects*; D019175:DNA Methylation; D006801:Humans; D051059:PTEN Phosphohydrolase / Q000235:genetics*; D010879:Piperazines / Q000494:pharmacology*; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000188:drug therapy*; D011401:Promoter Regions, Genetic; D011743:Pyrimidines / Q000494:pharmacology*
chemical_list: D000970:Antineoplastic Agents; D010879:Piperazines; D011743:Pyrimidines; D051059:PTEN Phosphohydrolase