Left hemispheric predominance of nigrostriatal dysfunction in Parkinson's disease. - Scherfler C; Seppi K; Mair KJ; Donnemiller E; Virgolini I; Wenning GK; Poewe W; Scherfler, Christoph; Seppi, Klaus; Mair, Katherina J; Donnemiller, Eveline; Virgolini, Irene; et al. (Brain: A Journal of Neurology, 2012)