title: Tricyclics, not SSRIs, effective for chronic back pain.
mesh_terms: D000929:Antidepressive Agents, Tricyclic / Q000627:therapeutic use*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis / Q000188:drug therapy*; D008297:Male; D010147:Pain Measurement; D017060:Patient Satisfaction; D018570:Risk Assessment; D017367:Selective Serotonin Reuptake Inhibitors / Q000627:therapeutic use*; D012720:Severity of Illness Index; D016896:Treatment Outcome
chemical_list: D000929:Antidepressive Agents, Tricyclic; D017367:Selective Serotonin Reuptake Inhibitors