Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
N-Methyl-D-Aspartate Antagonists in the Treatment of Parkinson's Disease
Arch Neurol 48:977-981, Greenamyre,J.T.&O'Brien,C.F., 1991
Juvenile Parkinsonism Treated with Levodopa
Arch Neurol 34:244, Sachdev,K.K.,et al, 1977