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.
CTA multiphasic study in the arterial (a) and venous (b) phases of diverticular bleeding; a haemorrhagic spot in a diverticular sac of the colon at hepatic flexure is visible in the arterial phase (a, arrow) with increase and intensification in the venous phase (b, arrow).
