The Effects of Sympathomimetic & Antihistaminic Agents on Chronic Motor Tics & Tourette's DisorderNEJM 315:1228-1229, Shafii,M., 1986
Decongestant-Induced Blepharospasm & Orofacial DystoniaJAMA 247:3244-3245, Powers,J.M., 1982