title: Chronic autonomic failure and the endogenous opioid system.
mesh_terms: D001342:Autonomic Nervous System Diseases / Q000503:physiopathology*; D004723:Endorphins / Q000502:physiology*; D006801:Humans; D007024:Hypotension, Orthostatic / Q000209:etiology / Q000503:physiopathology*; D008734:Methoxyhydroxyphenylglycol / Q000097:blood / Q000134:cerebrospinal fluid
chemical_list: D004723:Endorphins; D008734:Methoxyhydroxyphenylglycol