1. Movement and allied disorders in childhood,1995
2. Pediatric movement disorders;Saunders-Pullman;Child Adolesc Psychiatr Clin North Am,1999
3. Gilles de la Tourette on Tourette syndrome;Goetz;Adv Neurol,1982
4. Diagnostic and statistical manual of mental disorders;American Psychiatric Association,2000
5. Definitions and classification of tic disorders;The Tourette Syndrome Classification Study Group;Arch Neurol,1993