Objective The Yale Global Tic Severity Scale (YGTSS) is the most commonly used clinician-rated evaluation tool for Tourette syndrome (TS). with established reliability and validity. This study aims to determine whether the YGTSS is a valid parent-reported assessment in the TS population. Design A prospective cohort study. https://safeersappliancers.shop/product-category/faber-daisy-b-eg6-a55-55cm-angled-cooker-hood-black-glass-330-0529-664/