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.
The gross appearance of the livers from DEN-treated rats. (A-B) The liver from the rat by DEN-treated at the 16th week (red arrows stick to early cancerous nodules(A); The metastasis mass in the abdominal cavity from the rat by DEN-treated at the 20th week (B).
