Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Anthrax Bacterium. American Forces Information Service billboard poster promoting anthrax vaccination

Defense Billboard #135. (Source: Department of Defense. American Forces Information Service. Defense Visual Information Center on January 1, 2000. Courtesy of the U.S. National Archives. National Archives Identifier: 6507549. Public domain.)