Das SK, Banerjee TK, Biswas A, Roy T, Raut DK, Chaudhuri A, et al. Community survey of primary dystonia in the city of Kolkata, India. Mov Disord 2007;22:2031-6.
Grundmann K, Laubis-Herrmann U, Bauer I, Dressler D, Vollmer-Haase J, Bauer P, et al. Frequency and phenotypic variability of the GAG deletion of the DYT1 gene in an unselected group of patients with dystonia. Arch Neurol 2003;60:1266-70.
Szczaluba K, Jurek M, Milewski M, Friedman A, Kadziolka B, Szolna A, et al. Clinical characteristics of carriers of a GAG deletion in the DYT1 gene amongst Polish patients with primary dystonia. Eur J Neurol 2007;14:659-62.
O'Riordan S, Cockburn D, Barton D, Lynch T, Hutchinson M. Primary torsion dystonia due to the Tor1A GAG deletion in an Irish family. Ir J Med Sci 2002;171:31-2.
Akbari MT, Zand Z, Shahidi GA, Hamid M. Clinical features, DYT1 mutation screening and genotype-phenotype correlation in patients with dystonia from Iran. Med Princ Pract 2012;21:462-6.
Naiya T, Biswas A, Neogi R, Datta S, Misra A, Das S, et al. Clinical characterization and evaluation of DYT1 gene in Indian primary dystonia patients. Acta Neurol Scand 2006;114:210-5.
Giri S, Naiya T, Equbal Z, Sankhla CS, Das SK, Ray K, et al. Genetic screening of THAP1 in primary dystonia patients of India. Neurosci Lett 2017;637:31-7.
Risch NJ, Bressman SB, Senthil G, Ozelius LJ. Intragenic Cis and Trans modification of genetic susceptibility in DYT1 torsion dystonia. Am J Hum Genet 2007;80:1188-93.
Opal P, Tintner R, Jankovic J, Leung J, Breakefield XO, Friedman J, et al. Intrafamilial phenotypic variability of the DYT1 dystonia: From asymptomatic TOR1A gene carrier status to dystonic storm. Mov Disord 2002;17:339-45.
Ikeuchi T, Shimohata T, Nakano R, Koide R, Takano H, Tsuji S. A case of primary torsion dystonia in Japan with the 3-bp (GAG) deletion in the DYT1 gene with a unique clinical presentation. Neurogenetics 1999;2:189-90.
Giri S, Biswas A, Das SK, Ray K, Ray J. Molecular basis of DYT1 and DYT6 primary dystonia in Indian patients. Mol Cytogenet 2014;7(Suppl 1):P121.