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.
Light micrographs of rat skin histology after H and E staining: A) Control; and subcutaneous skin tissue sampled after injecting the delivery systems containing chitosan + thermosensitive polymer at B) Day 1, C) Day 7, D) Day 30 and E) Day 90
