Primary torsion dystonia: the search for genes is not over

Jarman, Pr; DEL GROSSO, N; Valente, Enza Maria; Leube, B; Cassetta, E; Bentivoglio, Ar; Waddy, Hm; Uitti, Rj; Maraganore, Dm; Albanese, A; Frontali, M; Auburger, G; Bressman, Sb; Wood, Nw; Nygaard, Tg