title: Tricyclic antidepressants in chronic pain.
mesh_terms: D000328:Adult; D000368:Aged; D000639:Amitriptyline / Q000627:therapeutic use*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000188:drug therapy*; D010865:Pilot Projects
chemical_list: D000639:Amitriptyline