Possible risk factors for primary adult onset dystonia: A case- control investigation by the Italian Movement Disorders Study Group

DEFAZIO G; BERARDELLI A; ABBRUZZESE G; LEPORE V; COVIELLO V; ACQUISTAPACE D; CAPUS L; CARELLA F; DE BERARDINIS MT; GALARDI G; P. GIRLANDA; MAURRI S; ALBANESE A; BERTOLASI L; LIGUORI R; ROSSI A; SANTORO L; TOGNONI G; LIVREA P