Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2017 Jan 11;14(1):63. doi: 10.3390/ijerph14010063

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2017 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Forest plot for meta-analysis of MTHFR C677T polymorphism by TT genotype, countries with risks > 1. Note: VAD: Vascular Alzheimer’s disease in one South Korean Study having RR > 2.