title: The importance of a clinical perspective.
mesh_terms: D003866:Depressive Disorder / Q000523:psychology; D006801:Humans; D009771:Obsessive-Compulsive Disorder / Q000523:psychology* / Q000628:therapy; D011575:Psychoanalytic Therapy; D012094:Repression, Psychology; D012107:Research Design / Q000592:standards*