Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Sedative-Hypnotic Drugs
Adams & Victors Principles of Neurology Chp 43, pg 1206, Ropper, A.H.,et al, 2014
Drug-Induced Movement Disorders:An Overview
In Movement Dis in Neurol & Neuropsych, Blackwell Sci Publ, Boston, 2:21., Miller,L.G.&Jankovic,J., 1992