Ulcerative Colitis Market Size and Forecasts (2021 - 2031), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage:by Drug Type (Aminosalicylates, Corticosteroids, Immunomodulators, Antibiotics, Other Drug Types); Disease Type (Mild Ulcerative Colitis, Moderate Ulcerative Colitis, Severe Ulcerative Colitis); Distribution Channel (Hospital Pharmacies, Retail Pharmacies, Online Sales), and Geography (North America, Europe, Asia Pacific, and South and Central America)