References

  1. Surwit RS, Rotberg M: Biofeedback therapy of essential blepharospasm. Am J Ophthalmol 1984; 98: 28-31
  2. Roxanas MR, Thomas MR, Rapp MS: Biofeedback treatment of blepharospasm with spasmodic torticollis. Can Med Assocj 1978; 119: 48-49