title: Serotonin role in Huntington's chorea.
mesh_terms: D006801:Humans; D006816:Huntington Disease / Q000188:drug therapy / Q000378:metabolism*; D008784:Methysergide / Q000494:pharmacology / Q000627:therapeutic use; D012701:Serotonin / Q000378:metabolism*; D012702:Serotonin Antagonists
chemical_list: D012702:Serotonin Antagonists; D012701:Serotonin; D008784:Methysergide