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.
(A) AB/SR staining; (B) Birefringence of AB/SR section; (C) immunostaining with type I collagen and (D) immunostaining with type II collagen. Black asterisks denote the scaffold within the defects. Scale bars represented 50 µm.
