Figure 5.
Begg's funnel plot for publication bias in selection of studies on lymphotoxin-α A252G (GG+GA vs. AA) polymorphism.
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.