title: Opioid neuropeptides in psychiatric disorders.
mesh_terms: D004723:Endorphins / Q000627:therapeutic use*; D004745:Enkephalins / Q000502:physiology / Q000627:therapeutic use*; D006801:Humans; D001523:Mental Disorders / Q000188:drug therapy*
chemical_list: D004723:Endorphins; D004745:Enkephalins