Park, Y C Botulinum a toxin treatment of hemifacial spasm and blepharospasm. [electronic resource] - Journal of Korean medical science Oct 1993 - 334-40 p. digital Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't ISSN: 1011-8934 Standard No.: 10.3346/jkms.1993.8.5.334 doi Subjects--Topical Terms: AdultAgedBlepharospasm--drug therapyBotulinum Toxins--adverse effectsDouble-Blind MethodFacial MusclesFemaleHumansMaleMiddle AgedSpasm--drug therapy