Pretarsal blepharospasm: Clinical, electromyographic features and long-term treatment with botulinum toxin. (25th December 2016) - Muñoz González, Adriana; Pérez Sánchez, J.; Traba, A.; de La Casa Fages, B.; Contreras Chicote, A.; Velázquez Pérez, J.M.; Esteban, A.; Grandas, F.