Cerebral and Extracranial Neurodegeneration are Strongly Coupled in Parkinson’s Disease
Jörg Spiegel, Dirk Hellwig, Wolfgang H Jost, Georgios Farmakis, Samuel Samnick, Klaus Fassbender, Carl M Kirsch, and Ulrich Dillmann
Open Neurol J. 2007; 1: 1–4. Published online 2007 August 22. doi: 10.2174/1874205X00701010001.PMCID: PMC2577926