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.
Silicon nitride implants used in this study: (A) Valeo I AL; (B) Valeo II AL; (C) Valeo I TL; (D) Valeo II TL; (E) Valeo I PL/OL; and (F) Valeo II PL/OL. AL, anterior lumbar; TL, transforaminal lumbar; PL, posterior lateral; OL, oblique lateral.
