Hart, RG, Pearce, LA, Ravina, BM, et al. Neuroprotection trials in Parkinson's disease: systematic review. Mov Disord 2009; 24:647 (accessed as abstract via UpToDate v18.2, 2010).
Bronstein JM, Tagliati M, Alterman RL, et al. Arch Neurol. 2010 Oct 11. [Epub ahead of print] Deep Brain Stimulation for Parkinson Disease: An Expert Consensus and Review of Key Issues.
Goetz, Textbook of Clinical Neurology, 3rd Edition, Saunders Elsevier 2007, Parkinson’s Disease, accessed 12/20/2008 http://www.mdconsult.com.
Tarsy D, Kleiner-Fisman G. Surgical Treatment of Parkinson’s Disease. Up To Date, v. 16.3, 2008, accessed 12/20/2008.
Louis ED. Essential Tremor. Clin Geriatric Med 22 (2006) :843-857.
Pryse-Phillips W, Murray TJ. Chapter 169 – Parkinson’s Disease, in Noble: Textbook of Primary Care Medicine, 3rd Edition. 2001, accessed 12/21/2008.