title: Overcoming drug resistance: studies presented at ASCO.
mesh_terms: D015703:Antigens, CD / Q000032:analysis; D018952:Antigens, CD34; D016572:Cyclosporine / Q000627:therapeutic use; D004351:Drug Resistance; D006801:Humans; D007654:Ketoconazole / Q000494:pharmacology*; D007938:Leukemia / Q000188:drug therapy* / Q000276:immunology; D014212:Tretinoin
chemical_list: D015703:Antigens, CD; D018952:Antigens, CD34; D014212:Tretinoin; D016572:Cyclosporine; D007654:Ketoconazole