Prophylactic lithium?
D000639:Amitriptyline / Q000627:therapeutic use; D001714:Bipolar Disorder / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D006801:Humans; D008094:Lithium / Q000627:therapeutic use*; D010919:Placebos
D010919:Placebos; D000639:Amitriptyline; D008094:Lithium