title: Letter: Synergistic effect of tricyclic antidepressants and lithium carbonate in endogenous depression.
mesh_terms: D000928:Antidepressive Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D002254:Carbonates / Q000627:therapeutic use; D003863:Depression / Q000188:drug therapy*; D004357:Drug Synergism; D006801:Humans; D008094:Lithium / Q000008:administration & dosage / Q000627:therapeutic use*; D010919:Placebos
chemical_list: D000928:Antidepressive Agents; D002254:Carbonates; D010919:Placebos; D008094:Lithium