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.
Forest plot showing association between serum leptin and BE risk in comparison with population control subjects (top) and with GERD control subjects (bottom). NSAIDs, nonsteroidal anti-inflammatory drugs; PPI, proton pump inhibitor; SE, standard error.
