title: Drug combinations for chronic depression.
mesh_terms: D003866:Depressive Disorder / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008094:Lithium / Q000627:therapeutic use; D016651:Lithium Carbonate; D008875:Middle Aged; D014191:Tranylcypromine / Q000627:therapeutic use; D014364:Tryptophan / Q000627:therapeutic use
chemical_list: D016651:Lithium Carbonate; D014191:Tranylcypromine; D014364:Tryptophan; D008094:Lithium