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Eggert K, Öhlwein C, Kassubek J, Wolz M, Kupsch A, Ceballos-Baumann A, Ehret R, Polzer U, Klostermann F, Schwarz J, Fuchs G, Jost W, Albert A, Haag A, Hermsen A, Lohmüller K, Kuhn K, Wangemann M, Oertel WH; In Cooperation With the German Competence Network on Parkinson’s Disease.Eggert K, et al. Among authors: schwarz j.Clin Neuropharmacol. 2014 Jul-Aug;37(4):116-22. doi: 10.1097/WNF.0000000000000041.Clin Neuropharmacol. 2014.PMID: 24992083Clinical Trial.