title: Meaning of refractory depression.
authors.forename: D W
authors.initials: DW
authors.lastname: Black
mesh_terms: D003866:Depressive Disorder / Q000145:classification* / Q000150:complications / Q000188:drug therapy; D006801:Humans; D010554:Personality Disorders / Q000150:complications; D009626:Terminology as Topic; D016896:Treatment Outcome