Global Gastrointestinal Otc Drugs Market By Type (Laxatives, Anti-Flatulents, H2-Antaginists, Anti-Diarrheals, Ppis, Anti-Emetics, And Other), By Application (Hospital Pharmacies, Retail Pharmacies, Online Pharmacies, And ), By Region And Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends And Forecast 2019-2028