Assertion: botulinum toxin's use | /r/CapableOf | treat blepharospasm
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Source sentences:
text: Based on data from thousands of patients collected by 240 investigators, Allergan received U.S. Food and Drug Administration (FDA) approval in 1989 to market Oculinum for clinical use in the United States to treat adult strabismus and blepharospasm, using the trademark Botox.