This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
The name of the reviewer for Aspects of Medical Physics (Archives121:109 [Jan] 1968) is William J. MacIntyre, PhD, not W. T. Maclutyre.
ERRATUM. Arch Intern Med. 1968;121(3):306. doi:10.1001/archinte.1968.03640030098036
Customize your JAMA Network experience by selecting one or more topics from the list below.