A. J. Lees

Unilateral pallidotomy for Parkinson’s disease: results after more than 1 year

C. Marsden, N. Quinn, D. Brooks, 1999, Journal of neurology, neurosurgery, and psychiatry.

The use of botulinum toxin in the treatment of adductor spasmodic dysphonia.

C. Marsden, A. Lees, M. Lorch, 1993, Journal of neurology, neurosurgery, and psychiatry.