This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
Questions Answered. AMA Arch Otolaryngol. 1960;71(2):239–245. doi:10.1001/archotol.1960.03770020111016
© 2021
Customize your JAMA Network experience by selecting one or more topics from the list below.
Create a personal account or sign in to: