Editorial: Reductio ad absurdum.
D000996:Antitussive Agents; D004338:Drug Combinations; D006801:Humans; D004366:Nonprescription Drugs; D014481:United States; D014486:United States Food and Drug Administration
D000996:Antitussive Agents; D004338:Drug Combinations; D004366:Nonprescription Drugs