title: Late life depression: undertreated.
mesh_terms: D000368:Aged; D000929:Antidepressive Agents, Tricyclic / Q000627:therapeutic use; D003866:Depressive Disorder / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D006801:Humans; D008094:Lithium / Q000627:therapeutic use
chemical_list: D000929:Antidepressive Agents, Tricyclic; D008094:Lithium