Practice Guideline Update Summary: Botulinum Neurotoxin for the Treatment of Blepharospasm, Cervical Dystonia, Adult Spasticity, and Headache
Neurol 86:1818-1826, Simpson, D.M.,et al, 2016
Acute Dystonia Induced by Drug Treatment
BMJ 319:623-626, vanHarten,P.N.,et al, 1999