Özbay, F., Wigg, K.G., Turanlı, E.T., Asherson, P., Yazgan, Y., Sandor, P., Barr, C.L., “Analysis of the Dopamine Beta Hydroxylase Gene in Gilles De La Tourette Syndrome”, American Journal of Medical Genetics Part B Neuropsychiatric Genetics, 141B, 6, 673-677, 2006.