Marked reduction of striatal dopamine D2 receptors as detecetd by 123IBZM-SPECT in a Wilson’s disease patient with generalized dystonia - Schwarz, J; Tatsch, K; Vogl, T; Kirsch, CM; Trenkwalder, C; Arnold, G; Gasser, T; Oertel, WH (Mov Disord, 1992)