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.
Forest plots and subgroup analysis plots of high intake of dietary or supplemental vitamin E and risk of AD. (A) Forest plot. (B) Subgroup analysis by study type. (C) Subgroup analysis by diet and supplements. (D) Subgroup analysis by NOS quality score.
