No evidence of allelic heterogeneity in theDYT1 gene of European patients with early onset torsion dystonia. Issue 10 (1st October 2001) - Tuffery-Giraud, Sylvie; Cavalier, Laurent; Roubertie, Agathe; Guittard, Caroline; Carles, Soukeyna; Calvas, Patrick; Echenne, Bernard; Coubes, Philippe; Claustres, Mireille