title: Update on dopa-responsive dystonia: locus heterogeneity and biochemical features.
mesh_terms: D000978:Antiparkinson Agents / Q000627:therapeutic use; D001923:Brain Chemistry; D004421:Dystonia / Q000145:classification / Q000150:complications / Q000188:drug therapy / Q000235:genetics*; D005192:Family Health; D006136:GTP Cyclohydrolase / Q000172:deficiency / Q000235:genetics*; D018740:Genetic Heterogeneity; D008040:Genetic Linkage; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use; D009043:Motor Activity; D009154:Mutation; D010302:Parkinson Disease, Secondary / Q000150:complications / Q000235:genetics; D010661:Phenylketonurias / Q000209:etiology / Q000235:genetics; D014446:Tyrosine 3-Monooxygenase / Q000235:genetics*
chemical_list: D000978:Antiparkinson Agents; D007980:Levodopa; D014446:Tyrosine 3-Monooxygenase; D006136:GTP Cyclohydrolase