Editorial: To cough or not to cough.
D000996:Antitussive Agents; D004335:Drug and Narcotic Control; D004366:Nonprescription Drugs; D010021:Osteopathic Medicine; D014481:United States; D014486:United States Food and Drug Administration
D000996:Antitussive Agents; D004366:Nonprescription Drugs