title: New insights into treatment-resistant depression.  Psychotic symptoms, rather than unrecognized bipolar disorder, may underlie poor response.
mesh_terms: D000341:Affective Disorders, Psychotic / Q000175:diagnosis* / Q000188:drug therapy* / Q000523:psychology; D000928:Antidepressive Agents / Q000627:therapeutic use*; D001714:Bipolar Disorder / Q000175:diagnosis* / Q000188:drug therapy* / Q000523:psychology; D003865:Major Depressive Disorder / Q000175:diagnosis* / Q000188:drug therapy* / Q000523:psychology; D003937:Diagnosis, Differential; D004351:Drug Resistance; D006801:Humans
chemical_list: D000928:Antidepressive Agents