[Skip to Navigation]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
March 14, 1959


JAMA. 1959;169(11):1230-1234. doi:10.1001/jama.1959.73000280010018g

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.

First Page Preview View Large
First page PDF preview
First page PDF preview