Analysis 19.3.
Comparison 19 Appearance gastrointestinal bleeding ‐ absolute risk difference (ARD), Outcome 3 Enteral nutrition (all medical).
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.