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.
(a) Alkaline phosphatase (ALP) activity of nonporous titanium (NPTi), porous titanium (PTi), and porous tantalum (PTa) cages. (b) ALP mRNA expression of NPTi, PTi, and PTa cages. (c) Osteocalcin mRNA expression of NPTi, PTi, and PTa cages. n = 6; * p < 0.05, *** p < 0.001, **** p < 0.0001.
