title: Tests for Huntington's chorea.
mesh_terms: D006916:5-Hydroxytryptophan; D004295:Dihydroxyphenylalanine; D006801:Humans; D006816:Huntington Disease / Q000175:diagnosis* / Q000235:genetics
chemical_list: D004295:Dihydroxyphenylalanine; D006916:5-Hydroxytryptophan