An official website of the United States government
Here's how you know
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.
Individual and pooled relative risk (A), heterogeneity indicators (B), and publication bias indicators (C) for the outcome “prevention of all kinds of pancreatitis” in the studies considering allopurinol vs placebo therapy.