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.
Distribution of 3‐month modified Rankin scale (mRS) among circle of Willis (CoW) variants. No V = no CoW variants, all V = all CoW variants, ant. V = all anterior circulation variants, post. V = all posterior circulation variants, M1 = model 1 (ipsilateral a‐ or hypoplastic A1), M2 = model 2 (contralateral a‐ or hypoplastic A1), M3 = model 3 (ipsilateral fetal posterior cerebral artery), M4 = model 4 (ipsilateral a‐ or hypoplastic P1 or posterior communicating artery)
