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 of hematoxylin and eosin staining of rat testicular tissues in the (A) sham-operated, (B) torsion/detorsion without treatment, (C) torsion/detorsion + low-dose erythropoietin,(D) torsion/detorsion + high-dose erythropoietin, and (E) torsion/detorsion + sildenafil groups (original magnification, ×100).
