Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
In this article by Gavin Yamey (23 November, pp 1236-40) the initial of the author cited in reference 15 is J [not R].
