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 expression of Shh after topical application of FGFs. Longitudinal sections of the dorsal skins from each group were stained for Shh by immunohistochemistry (brown staining). Digital photomicrographs were taken from representative areas at a fixed magnification of 100x.
