Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Life-Threatening Cranial Dystonia Following Trihexyphenidyl Withdrawal
Movement Disorders 4:349-353, Gimenez-Roldan,S.,et al, 1989
Drug-Induced Alzheimerism
Arch Neurol 45:356-357, Kurlan,R.&Como,P., 1988