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.
Animal positioning. Positioning of the (A) rat and (B) guinea pig in the anesthetic nose cone. The guinea pig model required addition of a ring stand to suspend the nose cone and prevent hyperextension of the neck. Securing of the (C) rat and (D) guinea pig (1) forepaw and (2) hind paw to operative board (arrow).
