title: Idiopathic narcolepsy: effect of naloxone studied in one of three patients with unelevated beta-endorphin-like immunoreactivity plasma levels.
mesh_terms: D000328:Adult; D004311:Double-Blind Method; D004723:Endorphins / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009270:Naloxone / Q000627:therapeutic use*; D009290:Narcolepsy / Q000188:drug therapy*; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D009270:Naloxone; D001615:beta-Endorphin