Adverse drug reaction reporting.
D064420:Drug-Related Side Effects and Adverse Reactions; D005069:Evaluation Studies as Topic / Q000379:methods*; D005762:Gastroenterology / Q000379:methods*; D006801:Humans; D007256:Information Systems; D011358:Product Surveillance, Postmarketing / Q000379:methods*; D014481:United States; D014486:United States Food and Drug Administration