Illsinger Illsinger S S Korenke Korenke GC GC Boesch Boesch S S Paroxysmal and non-paroxysmal dystonia in 3 patients with biallelic ECHS1 variants: Expanding the neurological spectrum and therapeutic approaches Paroxysmal and non-paroxysmal dystonia in 3 patients with biallelic ECHS1 variants: Expanding the neurological spectrum and therapeutic approaches Eur J Med Genet Eur J Med Genet 2020 2020 63 63 104046 104046 10.1016/j.ejmg.2020.104046 10.1016/j.ejmg.2020.104046 32858208 32858208. This evidence concerns the gene ECHS1 and paroxysmal dystonia.