title: Depression--augmentation or switch after initial SSRI treatment.
authors.forename: Scott C
authors.initials: SC
authors.lastname: Williams
mesh_terms: D016642:Bupropion / Q000627:therapeutic use; D002065:Buspirone / Q000627:therapeutic use; D015283:Citalopram / Q000627:therapeutic use; D003692:Delayed-Action Preparations; D003865:Major Depressive Disorder / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D006801:Humans; D015990:Placebo Effect; D012074:Remission Induction; D012107:Research Design; D017367:Selective Serotonin Reuptake Inhibitors / Q000627:therapeutic use*
chemical_list: D016642:Bupropion; D002065:Buspirone; D015283:Citalopram; D003692:Delayed-Action Preparations; D017367:Selective Serotonin Reuptake Inhibitors