Cognitive Change Following MPTP Exposure
Neurol 40:261-264, Stern,Y.,et al, 1990
Update on Parkinson Disease
NY State J Med, 87:147-1531987., Lieberman,A.N., 1987
Bilateral Fetal Mesencephalic Grafting in Two Patients with Parkinsonism Induced by MPTP
NEJM 327:1556-1563, 15891992., Widner,H.,et al, 1992