Involuntary Movement Disorders Associated with Felbamate
Neurol 45:185-187, Kerrick,J.M.,et al, 1995
Life-Threatening Cranial Dystonia Following Trihexyphenidyl Withdrawal
Movement Disorders 4:349-353, Gimenez-Roldan,S.,et al, 1989
Acute Dystonia, An Unusual Reaction to Diphenhydramine
JAMA 236:291, Lavenstein,B.L.&Cantor,F.K., 1976