1. Albanese A, Bhatia K, Bressman SB, Delong MR, Fahn S, Fung VS, et al. Phenomenology and classification of dystonia: a consensus update. Mov Disord. 2013 15;28(7):863–73.
2. de Carvalho Aguiar PM, Ozelius LJ. Classification and genetics of dystonia. Lancet Neurol. 2002;1(5):316–25..
3. Pantano P, Totaro P, Fabbrini G, Raz E, Contessa GM, Tona F, et al. A transverse and longitudinal MR imaging voxel-based morphometry study in patients with primary cervical dystonia. AJNR Am J Neuroradiol. 2011;32(1):81–4.
4. Phukan J, Albanese A, Gasser T, Warner T. Primary dystonia and dystonia-plus syndromes: clinical characteristics, diagnosis, and pathogenesis. Lancet Neurol. 2011;10(12):1074–85.
5. Gavarini S, Vayssière N, Delort P, Cif L, Biolsi B, Tancu C, et al. Stereotactic MRI in DYT1 dystonia: focal signal abnormalities in the basal ganglia do not contraindicate deep brain stimulation. Stereotact Funct Neurosurg. 2008;86(4):245–52.