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.
Histology observation of laminectomy site in FAM (a), CAM (b), non-treatment (c), and AFF groups (d) by H&E staining at 1 week postoperatively (×100; CAM cross-linked amniotic membrane, FAM freeze–dried amniotic membrane, EH epidural hemorrhage, DM dura mater, NC neural cord, FT fat tissue)
