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.
Figure 1A, 1B, and 1C show the distributions of the MTHFR C677T, A1298C and MTRR A66G polymorphisms, respectively. Circles indicate the locations of the different populations in this study.
