This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
To the Editor.—
Dr. Cohen's comments are well taken, but he has still not satisfied the criticism of a large number of compounds containing weakly effective agents combined with one strongly effective agent.
Barclay WR. Antitussives in Jeopardy. JAMA. 1973;225(2):177. doi:10.1001/jama.1973.03220290054021