title: Clinical research in depression.
mesh_terms: D003237:Connecticut; D003863:Depression / Q000145:classification / Q000188:drug therapy / Q000453:epidemiology / Q000628:therapy; D004644:Emotions; D006801:Humans; D011575:Psychoanalytic Therapy; D011599:Psychopathology; D011613:Psychotherapy; D012494:Sampling Studies; D012923:Social Class