BACKGROUND/AIMS: Large-scale population studies measuring rates and dynamics of cognitive decline in multiple sclerosis (MS) are lacking. In the current cross-sectional study we evaluated the patterns of cognitive impairment in MS patients with disease duration of up to 30 years. METHODS: 1. 500 patients with MS were assessed by a computerized cognitive battery measuring verbal and no... https://parisnaturalfoodes.shop/product-category/ester-c-250mg-orange/