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.
Histological images in the trabecular bone of the right femur head. The histological staining in the sham group (A), the OVX group (B), the OVX+vardenafil group (C), the OVX+tadalafil group (D), the OVX+udenafil group (E). The histological staining in the OVX+vardenafil, OVX+tadalafil and OVX+udenafil groups were more normal than that in the OVX group. Scale bar 200 µm (A-E)
