Fig. 3.
Analysis of the pneumonia regarding the studies that compared the prophylactic NIV to the control group. NIV=noninvasive ventilation
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.