Fig. 1. Vein closure rate after radiofrequency ablation. Group A, vein diameter ≤ 12 mm; group B, vein diameter > 12 mm.
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.