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.
Right vertebral angiograms, anterioposterior (A) and lateral views (B), showed normal filling of the posterior circulation, excellent collateral flow to the territories of the both internal carotid arteries via both posterior communicating arteries, and a basilar bifurcation aneurysm.
