title: Depression--augmentation or switch after initial SSRI treatment.
authors.forename: Ludger
authors.initials: L
authors.lastname: Tebartz van Elst
authors.forename: Dieter
authors.initials: D
authors.lastname: Ebert
authors.forename: Bernd
authors.initials: B
authors.lastname: Hesslinger
mesh_terms: D003866:Depressive Disorder / Q000145:classification*; D003865:Major Depressive Disorder / Q000188:drug therapy*; D006801:Humans; D017367:Selective Serotonin Reuptake Inhibitors / Q000627:therapeutic use*
chemical_list: D017367:Selective Serotonin Reuptake Inhibitors