Imaging of the dopamine transporter predicts pattern of disease progression and response to levodopa in patients with schizophrenia and parkinsonism: a 2-year follow-up multicenter... by Tinazzi, M, Morgante, F, Matinella, A, Bovi, T, Cannas, A, Solla, P, Marrosu, F, Nicoletti, A, Zappia, M, Luca, A, Di Stefano, A, Morgante, L, Pacchetti, C, Minafra, B, Sciarretta, M, Dallocchio, C, Rossi, S, Ulivelli, M, Ceravolo, R, Frosini, D, Cipriani, A, Barbui, C