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 examination at the fourth week using 100× magnification. Histological analysis of the collagen (a), bovine xenograft-collagen composite (b), hydroxyapatite/β-tricalcium phosphate (HA/β-TCP)-collagen composite (c) and control groups (d). Hematoxylin and eosin staining; original magnification: 100×. Abbreviations: NB, newly-formed bone; G, granule residual.
