Gastrointestinal Therapeutics Market By Drug Class (Biologics, Proton Pump Inhibitors, Aminosalicylates, Antacids, Laxatives, H2 Antagonists, Others), By Application (Inflammatory Bowel Disease, Gastroesophageal Reflux Disease, Peptic Ulcer Disease, Irritable Bowel Syndrome, Others), By Distribution Channel (Hospital Pharmacies, Drug Stores and Retail Pharmacies, Online Providers): Global Opportunity Analysis and Industry Forecast, 2023-2032