Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Lithium
Adams & Victors Principles of Neurology Chp 43, pg 1212, Ropper, A.H.,et al, 2014
Ten Most Commonly Asked Questions About the Psychiatric Aspects of Parkinson's Disease
The Neurologist 9:50-56, Reich,S.G. & Marsh,L., 2003
Managing the Neuropsychiatric Symptoms of Parkinson's Disease
Neurol 50:S33-S38, Lieberman,A., 1998