TY - RPRT TI - Benign essential blepharospasm treated with botulinum toxin. AU - A J Berlin AU - J H Cassen AU - G DeNelsky AU - M R Hanson AU - P J Sweeney DO - 10.3949/ccjm.54.5.421 UR - https://pubmed.ncbi.nlm.nih.gov/3665023/ ID - 3665023 ER -