References

  1. Engstrom PF, Arnoult JB, Mazow ML et al: Effectiveness of botulinum toxin therapy for essential blepharospasm. Ophthalmology 1987; 94: 971-975
  2. Elston JS, Russell RWR: Effect of treatment with botulinum toxin on neurogenic blepharospasm.BR Med J 1985; 290: 1857-1859
  3. Frueh BR, Musch DC: Treatment of facial spasms with botulinum toxin. Ophthalmology 1986; 93: 917-923