Tehran University of Medical Sciences Current Journal of Neurology 2717-011X 18 4 2019 08 08 Amyotrophic onset in GCH1 dopa-responsive dystonia 181 183 EN Seyed Amir Hasan Habibi Department of Neurology, Rasoul-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran Alberto Albanese Department of Neurology, Humanitas Research Hospital, Rozzano, Milan, Italy Antonio Elia Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta, Milan, Italy Paria Arfa-Fatollahkhani Department of Neurology, Iran University of Medical Sciences, Tehran, Iran Neda Hashemi Department Obstetrics and Gynecology, Rasoul-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran 2018 11 30 2019 08 08 Abstracts  ABSTRACTS https://ijnl.tums.ac.ir/index.php/ijnl/article/view/1696