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.
Subsidence type observed from this study; Type 1: Contralateral caudal endplate subsidence; Type 2: Contralateral cranial endplate subsidence; Type 3: Bilateral caudal endplate subsidence; and Type 4: Bilateral caudal and cranial endplate subsidence.
