1. Tear production and drainage after botulinum toxin A injection in patients with essential blepharospasm. (21st February 2013) Authors: Park, Dae Il; Shin, Hyun Min; Lee, Sang Yeul; Lew, Helen Journal: Acta ophthalmologica Issue: Volume 91:Number 2(2013) Page Start: e108 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗