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13. Olanow, C. W. The STRIDE-PD (Stalevo Reduction In Dyskinesia Evaluation) Study: A Long-term, Controlled study to evaluate the effects of initiating Stalevo or carbidopa/levodopa in early PD. Eur J Neurol 2006; 13(Suppl 2): 93. Rascol, O., Brooks D. J., Korczyn A. D. et al. A five-year study of the incidence of dyskinesia in patients with early Parkinson's disease who were treated with ropinirole or levodopa. 056 Study Group. N Engl J Med 2000; 342(20): 1484–1491. Smith, L. A., Jackson M. J., Al-Barghouthy G. et al. Multiple small doses of levodopa plus entacapone produce continuous dopaminergic stimulation and reduce dyskinesia induction in MPTP-treated drug- naive primates. Mov Disord 2005; 20(3): 306–14. Future directions II