title: Acquired resistance to imatinib mesylate: selection for pre-existing mutant cells.
authors.forename: Lucio
authors.initials: L
authors.lastname: Luzzatto
authors.forename: Junia V
authors.initials: JV
authors.lastname: Melo
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001549:Benzamides; D002999:Clone Cells / Q000473:pathology; D019008:Drug Resistance, Neoplasm / Q000235:genetics*; D004791:Enzyme Inhibitors / Q000627:therapeutic use; D006801:Humans; D000068877:Imatinib Mesylate; D007938:Leukemia / Q000188:drug therapy; D010879:Piperazines / Q000627:therapeutic use*; D011743:Pyrimidines / Q000627:therapeutic use*
chemical_list: D000970:Antineoplastic Agents; D001549:Benzamides; D004791:Enzyme Inhibitors; D010879:Piperazines; D011743:Pyrimidines; D000068877:Imatinib Mesylate