An epidemic of dystonic reactions in central Africa. by Peyraud, N, Rafael, F, Parker, L, Quere, M, Alcoba, G, Korff, C, Deats, M, Esteve, P, Cabrol, J, Serafini, M, Ciglenecki, I, Rull, M, Larabi, I, Baud, F, Grandesso, F, Ilunga, B, Alvarez, J, Newton, P