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We should consider transportopathies in managing the patients with DRD-plus manifestation.","journal-title":"N Engl J Med"},{"issue":"1","key":"461_CR78","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1136\/jnnp.2004.051664","volume":"77","author":"JL Hove Van","year":"2006","unstructured":"Van Hove JL, Steyaert J, Matthijs G, Legius E, Theys P, Wevers R, et al. Expanded motor and psychiatric phenotype in autosomal dominant Segawa syndrome due to GTP cyclohydrolase deficiency. J Neurol Neurosurg Psychiatry. 2006;77(1):18\u201323. doi: 10.1136\/jnnp.2004.051664 .","journal-title":"J Neurol Neurosurg Psychiatry"},{"issue":"2","key":"461_CR79","doi-asserted-by":"crossref","first-page":"359","DOI":"10.1002\/mds.23424","volume":"26","author":"TC Yaltho","year":"2011","unstructured":"Yaltho TC, Jankovic J, Lotze T. The association of Tourette syndrome and dopa-responsive dystonia. 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Mov Disord. 2007;22(9):1335\u20137. doi: 10.1002\/mds.21377 .","journal-title":"Mov Disord"},{"issue":"12","key":"461_CR82","doi-asserted-by":"crossref","first-page":"1156","DOI":"10.1016\/j.parkreldis.2013.08.003","volume":"19","author":"JY Lee","year":"2013","unstructured":"Lee JY, Yang HJ, Kim JM, Jeon BS. Novel GCH-1 mutations and unusual long-lasting dyskinesias in Korean families with dopa-responsive dystonia. Parkinsonism Relat Disord. 2013;19(12):1156\u20139. doi: 10.1016\/j.parkreldis.2013.08.003 . This is a report on Korean DRD cases with classic manifestations. All the patients were shown to have mutations in GCH-1. Of note is that the initial report (reference 15) failed to show mutation in GCH-1 in some of them, while they were predicted to have mutation in GCH-1 because of low CSF neopterin level.","journal-title":"Parkinsonism Relat Disord"},{"key":"461_CR83","doi-asserted-by":"crossref","unstructured":"Tadic V, Kasten M, Bruggemann N, Stiller S, Hagenah J, Klein C. 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This is a very peculiar family with dopa-responsive cervical dystonia and mutation in ataxia-telangiectasia gene. The relation between L-dopa responsiveness and mutation in ataxia-telangiectasia is questionable considering reference 87, where dystonia did not respond to L-dopa in tested patients.","journal-title":"Neurology"},{"issue":"9","key":"461_CR87","doi-asserted-by":"crossref","first-page":"649","DOI":"10.1212\/WNL.0b013e3182494d51","volume":"78","author":"R Saunders-Pullman","year":"2012","unstructured":"Saunders-Pullman R, Raymond D, Stoessl AJ, Hobson D, Nakamura K, Pullman S, et al. Variant ataxia-telangiectasia presenting as primary-appearing dystonia in Canadian Mennonites. 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