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.
Representative histological cross-sectional images of PMMA containing barium sulfate (A,E,C,G) and PMMA/HA composite with an HA content of 40 vol % (B,F,D,H) after 4 weeks (A,E,B,F) and 8 weeks (C,G,D,H) of implantation (B: bone, T: soft tissue, M: material). Blue and red arrows indicate soft tissue and new bone, respectively.
