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.
Source: National Cancer Institute. Slide 18. Nanoshells [Web page]. U.S. National Institutes of Health. [updated 2005 Jan. 28; cited 2006 Sept. 15]. Available at: http://www.cancer.gov/cancertopics/understandingcancer/nanodevices/Slide18
