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) and heterogeneity indicators (B) for the outcome of “endoscopic remission” in the studies considering herbal medicines comparing to placebo therapy in inflammatory bowel disease (ulcerative colitis) patients.
