1. A 35 year perspective on Gilles de la Tourette Syndrome: assessment, investigations, and management;Robertson;Lancet Psychiatry,2014
2. Diagnostic and statistical manual of mental disorders. DSM-5 Edition,2013
3. International classification of diseases and health-related problems. ICD-10,1992
4. Tourette's: syndrome, disorder or spectrum? Classificatory challenges and an appraisal of the DSM criteria;Robertson;Asian J Psychiatry,2014
5. Diagnostic criteria for genetic studies of Tourette syndrome;Kurlan;Arch Neurol,1997