title: Rigid pseudoparkinsonian variant of Huntington's chronic chorea. A case with early onset and the effects of L-dopa treatment.
mesh_terms: D000293:Adolescent; D000339:Affect / Q000187:drug effects; D000367:Age Factors; D005260:Female; D006801:Humans; D006816:Huntington Disease / Q000188:drug therapy*; D007980:Levodopa / Q000627:therapeutic use*; D008606:Mental Processes / Q000187:drug effects
chemical_list: D007980:Levodopa