title: Ferric chloride reaction in Huntington's chorea.
mesh_terms: D004140:Dinitrophenols / Q000652:urine; D006801:Humans; D006816:Huntington Disease / Q000188:drug therapy / Q000378:metabolism* / Q000652:urine; D007501:Iron; D008661:Metabolism, Inborn Errors / Q000175:diagnosis*; D008728:Methotrimeprazine / Q000378:metabolism*; D010667:Phenylpyruvic Acids / Q000378:metabolism
chemical_list: D004140:Dinitrophenols; D010667:Phenylpyruvic Acids; D008728:Methotrimeprazine; D007501:Iron