Constipation Treatment Market Forecast to 2027 - COVID-19 Impact and Global Analysis by Therapeutic (Laxatives, Chloride Channel Activators, Peripherally Acting Mu-Opioid Receptor Antagonists, GC-C Agonists, and 5-HT4 Receptor Agonists); Disease (Chronic Idiopathic Constipation, Irritable Bowel Syndrome with Constipation, and Opioid-Induced Constipation); Distribution Channel (Hospital Pharmacies,