title: Use of nutritional supplements in patients with Parkinson's disease: a cause for concern?
authors.affiliation: Department of Neurology at Philipps University in Marburg, Germany. carsten.moeller@med.uni-marburg.de
authors.forename: J Carsten
authors.initials: JC
authors.lastname: Möller
authors.forename: Wolfgang H
authors.initials: WH
authors.lastname: Oertel