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) Pure magnesium interference screw. (B) Commercially available polylactic acid polymer interference screws from Smith & Nephew, with a diameter of 8 mm and length of 30 mm. The screws have a similar tensile strength: Mg screw, ≥150 MPa; polymer screw, 169 MPa.
