title: A controlled study of polarization in depression.
mesh_terms: D000275:Adjustment Disorders / Q000628:therapy; D002986:Clinical Trials as Topic; D003863:Depression / Q000628:therapy*; D004599:Electric Stimulation Therapy; D004594:Electrophysiology; D006801:Humans; D010919:Placebos
chemical_list: D010919:Placebos