title: What gastroenterologists should know about the gray market, herbal remedies, and compounded pharmaceuticals and their regulation by the Food and Drug Administration.
authors: Gastroenterology Division, Department of Medicine, NorthShore University HealthSystem, Evanston, IL, USA. ehrenpreis@gipharm.net
authors: Eli D
authors: ED
authors: Ehrenpreis
authors: Prasad
authors: P
authors: Kulkarni
authors: Carol
authors: C
authors: Burke
mesh_terms: D058110:Counterfeit Drugs / Q000009:adverse effects / Q000494:pharmacology; D019587:Dietary Supplements / Q000592:standards*; D004339:Drug Compounding / Q000592:standards; D004345:Drug Industry / Q000191:economics / Q000331:legislation & jurisprudence / Q000639:trends; D004335:Drug and Narcotic Control; D005762:Gastroenterology; D006266:Health Education / Q000331:legislation & jurisprudence*; D006801:Humans; D020407:Internet; D010594:Pharmacies / Q000592:standards*; D008517:Phytotherapy / Q000592:standards; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D058110:Counterfeit Drugs